Computer Support Forum

Solved: DHCP unreachable

Question: Solved: DHCP unreachable


I have installed 4 AP through a switch to my NAT connection for internet.
The AP are Linksys WAP54G set on static IP no security settings.
Now my problem is that the laptops are not getting correct IP
but if i set it manually everything works fine.
Can someone tell me why i'm not getting an IP from DHCP.

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Preferred Solution: Solved: DHCP unreachable

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Answer: Solved: DHCP unreachable

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Hello, my xp has had the "limited/no connectivity" warning for a while but it did not effect my connection at all until recently. i have zero connectivity now on my vista and xp while connected to the router. (sorry in advance I'm not very knowledgeable with networks)
Its a wired network Modem(broadband) -> router(d-link di604) -> pc1(xp)/pc2(vista)
i cannot log into my router from my browser, i cannot renew my ip from cmd as it cannot connect to "dhcp server"

right clicking on my lan network icon and trying to repair does not work because it cannot renew my ip

i have also tried restarting, disabling and enabling network card, reseting and unplugging modem and router, crossing my fingers.

all the appropriate lights are on...

im not sure what other information regarding this i can provide

any help with this would be welcome
Thank you

Answer:Solved: di604 cannot log onto router, cannot /renew ip(dhcp unreachable), limited/no

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I have had a network for almost two years with no problems, and for some reason my laptop has not been able to get online for about a week. It did this once before last year sometime, and I phoned Bellsouth; they said to shut down all the computers and then restart them, and that fixed the problem. It did not help this time.
I have tried everything I can think of.

My laptop is a Sony Viao with Windows 2000. I am using a Linksys router and wireless card with my Bellsouth Westell DSL modem. Someone else set up the network for me, but I don't have contact with that person any more to help me. I will probably phone Bellsouth again, but thought I'd try this, too. I tried Linksys' live chat but they kept getting disconnected.

When I type in ipconfig /release it says it's already released. When I type in ipconfig /renew it hangs a long time and then tells me that the DHCP server is unreachable.

I have three computers. One is this Dell I am currently typing on, with XP, and it is connected directly (wired) and works fine. Sometimes the connection goes out and I have to unplug the modem and plug it in again and then it works fine. That has always been true, though.

I have another Dell, an old one with Windows 98, and it is wireless. We don't use that one very much because it's slow, but it has a wireless connection and sometimes it can't get online, either. It has troubles but sometimes it works, sometimes it doesn't. That's been for ab... Read more

Answer:DHCP Server unreachable/wireless connection out

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I've been looking all over the internet to try and resolve this, but I couldn't find a solution... here goes:

I've been unsuccessful in trying to set up my Verizon DSL connection. According to Verizon tech support, the phone line is fine and my problem in connecting lies at home.

The details:

-I haven't been able to run account setup for my DSL service because I'm getting a problem in connecting

-I'm running Win2k

-I'm connected to the DSL Modem with a Belkin NIC

-The connection shows that it's active, BUT it only sends packets, doesn't receive them.

-When I ran ipconfig, my ip was in the range, and Autoconfiguration Enabled read Yes

-When I went to release my IP, I got a message that said
"All adapters bound to DHCP do not havee DHCP addresses. The addresses were automatically configured and can not be released."

-From the Microsoft web site, I followed instructions to disable APIPA found here ->microsoft support link

-Now ipconfig reads my ip as all zeros, and I get an error when I try to run the command /renew that says the DHCP server is unreachable

Thanks in advance


Answer:problems setting up DSL / DHCP server unreachable

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"DHCP server unreachable" error message.
Could you please help me?

I have a crossover cable between my laptop and my home PC, with my laptop as the main computer. I have the laptop IP set to, and the Home PC to 'Obtain and IP address Automatically'.

This set up actually worked for some time. Sometimes, when I open up the command prompt and type in 'ipconfig', it gives me a 168.xx.xx.xx address, and I just type in 'ipconfig /release' and 'ipconfig /renew' and after a minute of waiting, I used to get a 192.168.0.XX address. After this, I was able to share the Internet Connection between the 2 computers, the files etc.

But of late, I have not been able to get this 192 IP address. After typing in 'ipconfig /release' and 'ipconfig /renew', after a minute of waiting, I get a "DHCP server unreachable" error message.

I have tried restaring the PC etc etc, but I continually get this same message. I can ping from the Home PC if I put in a address on the Home PC, and I can even share files.... but I am NOT able to share the Internet connection!!

Please suggest what needs to be done. Thank you!!

Any help at all is welcome.

Answer:"DHCP server unreachable" error message.

perhaps ur IP has detected this. Could this possibly be not allowed by ur ISP? If so, your ISP probably did something to keep you from doing this. Also, for better results, use a router it works much better and you are usually always garunteed 100% uptime and no problems.

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I'm running a simple network at home with a Linksys BEFSR41 router. I have two computers hooked up wired and a wireless router acting like an access point that I use for my laptop occasionally. Until this weekend I've been having no problems but I shut down the computers due to weather and now one of them is not able to communicate with any others on the network. The problem computer will get an address supplied to it by the router (DHCP server) but once it has it I cannot get any other connectivity. Of course this is hindering internet access on this computer. I can ping the loopback and assigned IP addresses w/o problems but when I ping the default gateway (router) and/or the other computer I get "Request timed out." I initially thought it was the NIC so I bought another one but still get the same issue. I've moved the cards to different PCI slots but no luck. I tested the cable running from the computer and the router but found no problems. I even tried resetting the TCP/IP stack but still didn't work. The computer in question is running WinXP SP2 with the original NIC being a Linksys LNE100TX and the new one being a D-Link DFE-530TX+.

Any clues on this? If more info is needed let me know--it's been a while since I've posted. Thanks in advance.

Answer:Solved: Getting IP addr from DHCP but cannot ping DHCP server

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Okay, I got a new client a few weeks ago. What a mess...anyway, they had bought a new Dell with SBS 2K3 on it, and for some reason they have a wired firewall (Linksys), a wireless router (Linksys) and a small switch. After examining the setup of the network, I found the wireless router giving out IP addresses in the 192.168.1.X range, the SBS being what it is, was going to be the DNS/DHCP/DC, on and on, etc. I turned off the DHCP on the wireless router. Yesterday they called and had a machine that I wasn't aware of that couldn't connect, it's a proprietary machine for X-Rays, and all I could do was really look at it, and do a few things, like change the IP if needed, but it's set to DHCP, and it's getting 192.168.1.X addressing, when umm, it can't be. I did ipconfig /release then /renew, nothing, still the old address, with as the DCHP and gateway. I statically set it to the 192.168.0.X settings and nothing, can't ping in or out or see the network. I set it back to DCHP reboot, and it still gets 192.168.1.X address, but there is no DHCP server serving up these address, so ummm, anyone? Oh, the X-Ray comp is plugged directly into the firewall now wich is on the 192.168.0.X network on the inside.......

Answer:Solved: DHCP coming from a non-DHCP router?

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My WinXP Home PC won't connect properly (limited connectivity/no internet) via ethernet cable to my router (Belkin N150).

Ipconfig /all shows the IP address as but this is determined by an entry in the registry at HLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\{39A...} > 'DhcpIPAddress' - REG_SZ - Also listed at 'IPAutoconfigurationAddress'. My laptop connects fine plugged into the same port getting it's IP automatically ( and getting internet fine.

After much searching I can't figure out what's wrong.

I've tried adding a DWORD entry 'IPAutoconfigurationEnabled' = 0, also tried deleting the 2 values.
Tried setting the IP manually to - limited connectivity goes away but I get no internet connection from the router nor file sharing.

Any help please?

Answer:Solved: DHCP IP by registry not by DHCP server??

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I have no clue what the error message 'unreachable statement' is supposed to mean, but i keep getting it and cannot get rid of it without deleting these 2 statements. The error is given for the red line...


protected void findtarg(int x)
int i;
int j;
tpx = 0;
tpy = 0;
if(getNk(idxy[i][j]) == targ)
tpx = i;
tpy = j;

[B][COLOR="Red"]if(x == 0 && tpx > 0)[/COLOR][/B]
tpv = true;
mM = true;
mvl = true;
mM = false;
gst = 3;
if(x > 0 && tpx > 0)
Any ideas?

Answer:Solved: Unreachable statement?


should be


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This is driving me nuts! I have no problems at all with connecting via the WWW and Firefox/IE. However, any attempt to use FTP results in a time-out. The FTP client site said to try pinging but I find that ping times out as well. Could someone please help a clueless non-techie? I have no idea how to even begin troubleshooting this.

Thanks a bunch.

Answer:Solved: FTP & Ping Unreachable - But I CAN Browse WWW

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I have done with network of 8 networks then 4 LAN's as departments.
First I have done successfully the connect from LAN 1 to LAN 2 and I can ping all hosts from LAN 1 to LAN 2 in both network and vice versa using RIP routing.
Second when I need to do same thing but I need LAN 3 to reach all LAN's and Facing Destination host unreachable problem.

what I should be do.
I hope you can help me to find where my mistake to solve it.

Thank you very much.

Answer:Solved: Destination host unreachable.

Given that you are using RIP (an old routing protocol not used in current production environments), and the name of the file you attached is "assignment2", I think it's safe to assume this is a school assignment.

Unfortunately we cannot provide assistance with school assignments here.

I have asked for an administrator/moderator to stop by your thread.

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Tech Support Guy System Info Utility version
OS Version: Microsoft Windows 7 Ultimate, Service Pack 1, 64 bit
Processor: Intel(R) Core(TM) i3 CPU M 330 @ 2.13GHz, Intel64 Family 6 Model 37 Stepping 2
Processor Count: 4
RAM: 3894 Mb
Graphics Card: Intel(R) HD Graphics, 1723 Mb
Hard Drives: C: Total - 99673 MB, Free - 32642 MB; D: Total - 153599 MB, Free - 84942 MB; E: Total - 153598 MB, Free - 102998 MB; F: Total - 69712 MB, Free - 57533 MB;
Motherboard: LENOVO, Base Board Product Name
Antivirus: Net Protector 2015, Updated: Yes, On-Demand Scanner: Enabled
I have 1ADSL Router DLINK 2750u (IP 1 PC (win7) connected through LAN(IP and 1 LAPTOP (win7) connected through WIFI (IP
when i ping he says destination host unreachable
Pinging with 32 bytes of data:
Reply from Destination host unreachable.
Reply from Destination host unreachable.
Reply from Destination host unreachable.
Reply from Destination host unreachable.
Ping statistics for
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
help me thanks

Answer:Solved: ping destination host unreachable

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When I try to go to on my desktop PC, it gives me a message that the page is unavailable.
It happens in Chrome, Firefox and IE.
I can go to just fine on all other devices, like my phone, laptop and other computers, so I assume my desktop PC is to blame.
I disabled my Bitdefender Security's antivirus, firewall and its other tools but to no avail.
I used Ccleaner and other tools to clean history, cookies, traces etc. and that didn't help either.
I scanned the computer with Bitdefender and Malbytes, and they found no viruses or other harmful stuff.
I would really appreciate your assistance.

Answer:Solved: unreachable/unavailable all on browsers

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I turned out computer tonight regulary and he made bunch of automatic updates... later this day when i tried to star windows xp, he restarts the comp at the begining of his loading screen, nothing works (no last confing, no safe mode, not normaly). Im trying to do in-place recovery. Any clues? Im fearing when Windows update himself again, if he chrases again....

Thanks for any hint

Answer:Solved: windows unreachable after tonights update

Safe mode system restore. No safe mode? Then command line system restore. No command line SR? Then make a UBCD4Win CD with a XP install disc, boot to it and use the system restore utility on the CD.

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  I have several windows 8.1 machines connected to a private network.  The clients all obtain their first DHCP leases correctly and work well for a time. At some point after having been running for awhile, they get into a state where they start
ignoring the DHCP ACK messages from the DHCP server when they attempt to renew their leases (see attached pcap file).  They go on ignoring the responses to their DHCP Requests until they lose their IP addresses and then send a DHCP Discover and receive
a DHCP Offer.  At this point, they seem to accept their new address and move on until it is time to renew again, at which point they start ignoring their DHCP ACKs again and the cycle continues.  These machines will work for hours with no problems
whatsoever, but they all seem to experience this issue at some point every day.  When they get into the state where they are ignoring their DHCP acks, they will stay that way until they are rebooted.  Disabling and then re-enabling the adapter does
not seem to fix the issue.
 Does anyone have any idea what could be going on?  I'm pretty stumped at this point.

Thank you,

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hii alli had some problems with the dhcp concepts :what is single server / multiple server solution ?? and what's relay agent ?i hope someone can help me as soon as possiblethanx for your support

Answer:requestion about dhcp server, some questions about planning a dhcp to a network

Is this a homework task? You can just Google  "single server solutions" and get lots of info. Is that what you want? If you want to set up a server at home or school just to learn how it works, you need to talk to the people on the Linux forum. Linux is often used as a server on a desktop PC. At the present time many small companies single servers.

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Sorry if this a bit off topic but, yesterday day night i updated my vista and then this morning i turned it on and it wont load past a black screen giving me the error : PXE-E51 - No DHCP or PROXY DHCP were received

Please help! Thanks in advance.

Answer:Computer wont start! :No DHCP or proxy DHCP were received

does it say press a button to continue or anything?

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I need the IP address ,DNS and gateway address so on .Is it possibile to get it from the modems DHCP or do I need the ISP DHCP working?

I'm setting up are home network and getting connected to the internet but the internet connection is down .But is it possibile that I can get this from the modem. .

Like how does the computer talk to the modem and the modem talk to the DHCP server .I never had this problem before.

Answer:Can you get DHCP info from the modem software even when the DHCP server is down

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one of our NT guys just brought something to my attention.

out DHCP/DNS server has an interface on the production network, as well as a backup interface (backup network)

the backup network is a parallel network (physically seperated network hardware) and is not routed/connected to the production network. it is completely isolated for backups only.

i always make sure they do not put a gateway address on the backup network (there is no router, it's a flat network), so that no traffic accidentally goes out that interface

when they did a capture/trace on the backup NIC, they were seeing packets (DHCP ACKs/replies) from the production interface.

so say the routed / production IP of the DHCP server is

when you look at the trace on the backup interface, you are seeing the DHCP ACKs/replies from source:, destination

so it looks like the server is packaging the IP header / DHCP ACK as a layer3 broadcast, and thus sending it out every physical interface.

does anyone know why the server would be doing this, and not just sending out the DHCP ACK on the interface it received the request on?

Answer:DHCP server broadcasting DHCP acks out all interfaces?

Do you know the Server OS and DHCPD name and version (if not Windows)

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Is it better to use Win2000 Server DHCP or DHCP from my Netgear wireless router?

I am currently in the process of setting up a Win2000 server on my home network which consists of four other 2000/XP machines.
The server is going to be configured as a domain controller and will utilize the Active Directory.

Should I use the Win2000 Server DHCP or stick with my wireless router as the DHCP server? What are the advantages/disadvantages to both and which would be easier to maintain.

Is a 550mhz PIII with 256MB RAM fast enough to make a good home server running Win2000 server?

The server is going to have (2) 120GB Western Digital 7200rpm drives with 8MB cache for storage and a single 60GB Western Digital 7200rpm drive for the OS and few other applications.

The server's primary function is to serve as a media server with an approaching 10GB of MP3 and music video files which is continually going to grow. Disk contention is at a minimum since there are only four PC's on the network. There will also be a lot of digital photos stored on the server and will also serve as a place to perform backups from the other four networked PC's.

Answer:Win2000 Server DHCP or Router DHCP?

We have a similar setup in our office using Small Business Server, a public IP coming into our router with DHCP turned on, connected to a NIC in the internal DHCP server (which is also running ISA). A second NIC in the server bridges to the internal hub to provide DHCP services to the clients. This way we control port filtering in 2 places and with 2 levels of NAT taking place we feel secure. It may be overkill but we're concerned that EVERYONE is trying to hack into ISA and DHCP servers connected directly to public IP that this setup provides an added level of security.

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I'm volunteering at a school that has to ghost several hundred computers. I want to boot them via PXE to avoid having to walk around with floppies or CD's. I've got pxelinux.0 working on the small scale. The problem is that we don't control our own DHCP server, it's downtown and out of reach. I need to add some information to the dhcp offer to indicate the file and server to boot, but running two dhcp servers on one network seems like a recipe for disaster.

Any good way to get around this?

Answer:Some way to have two DHCP servers coexist? Or DHCP proxy?

Since this is probably during the summer break. Take the WAN down for the day?

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My old hard disk was dead so bought a new hard disk drive of 500gb, when i tried to install windows xp on the new hard disk the cd didn't boot as it used to do first, it gives out an error during boot "PXE-E51: No DHCP or proxy DHCP offers were received please enter bootable device and press any key". Thanks in advance.

Answer:PXE-E51: No DHCP or proxy DHCP offers were received

Any message such as this referencing 'PXE" are likely indications that you need to adjust the boot device settings in the BIOS.  The message indicates that the system is currently trying to boot via network, rather than boot to an optical drive or a hard drive.
If you want to boot from a CD to install XP, then the first boot option in the BIOS must be changed to an optical drive.
If you want to boot from the hard drive, then the first boot device should be changed to reflect the hard drive as the first option.
What makes you think that your old hard drive was dead?
These PXE errors are often the result of the fact that the CMOS battery is dying or is dead and needs to be replaced.  Since this is a vital but cheap item easily obtained, this is not a serious problem.

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Hi folks,
I have a Linksys modem router. At the moment is has DHCP enabled, which allocates IP address's to my four PCs.
My problem is that I use pcAnywhere to access each PC remotely, which is OK until my router gives out a different address.
My question is can I change my router so that each PC is allocated only a permanent IP address?


Answer:Solved: DHCP or not

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Question: Solved: Dhcp

Event Type: Error
Event Source: ipnathlp
Event Category: None
Event ID: 30005
Date: 4/23/2006
Time: 11:13:48 AM
User: N/A
Computer: A-IW6N14FSUHTO5
The DHCP allocator has detected a DHCP server with IP address on the same network as the interface with IP address The allocator has disabled itself on the interface in order to avoid confusing DHCP clients.

I get the above error msg. whenever re-booting , but everything seems to be running O.K.
Not familiar w/ DHCP, so if someone could explain whats going on it would be appreciated.

Answer:Solved: Dhcp

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Question: Solved: DHCP error

Hi, on my main domain control server (windows 2000 advanced server) the DHCP is giving an error I cannot find out much about.
It reads;
The JET Database call returned the following error : -510. Additional Debug Information: DeleteCurrentRecordelete.

0000: 02 fe ff ff .Ģˇˇ

0000: fffffe02
Any clues please? Im stumped!

Many thanks in advance.

Answer:Solved: DHCP error

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Hi guys,

How to set up DHCP correctly on my Actiontec GT701-WG router?


Answer:Solved: Setting up DHCP

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I keep getting an error when I try to get an IP at work. On my laptop I get the error "No operation can be performed on Wirelesss Network Connection while it has its media disconnected." which is fine because that is for my wireless, which there is none. but the next error is the one that is giving me trouble "The DHCP client has obtained an Ip address that is already in use on the network. The local Interface will be disabled until the DHCP client can obtain a new address." All other computers on the network have internet access, except for my laptop and one of the systems in the lab. Can you help me solve this problem?? Any help is appreciated..

Answer:[SOLVED] DHCP does not work

As it turns out, because I had put in a new router on the network, all I had to do was restart the machine(s), and it the router gave it a new IP. Now all my machines have internet accesss.

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Apologies if this a repeat -- I searched the forum and found no duplicates.

I run a smallish LAN at work (30-70 computers depending on the day). I am having a problem with connecting to my DHCP server through an unmanaged switch.

I have only one ethernet port in a particular room and need to connect 3-4 computers through that port. It is my understanding that an unmanaged switch should do the trick (correct me if I'm wrong).

The problem I have is that I cannot get more than 2 computers to get an IP from DHCP. It's a different two computers everytime -- it just seems that it's a race to the DHCP server and once two computers get there, the others are locked out.

Various things I have tried:
-Static IPs have no bearing.
-Forcing a NIC to use reduced speeds makes no difference.
-The switch is Auto-MDIX
-The problem persists whether using regular switch ports or the uplink port.
-I have also tried a second switch I own with the same problem.
-Windows firewall is disabled and turning off anti-virus makes no difference.
-My scope has not run out of IPs.

Is there something I am missing here? I feel like the problem is simple or fundamental and I'm just not seeing it.

Thanks in advance for any help you can give.

Answer:Solved: Switches and DHCP

That is very strange. Right now, I am as puzzled as you are.

With this setup, how many switches are there between the affected PCs and the router/gateway?

From the room with the 4 PCs, how far is the next upstream device (switch/hub/router)?

I guess you already know that as a last ditch, you can go with the DHCP reservations, and then statically configure each of the PCs for the DHCP server's reservation? With this setup, I would be interested in knowing if the 4 PCs can then all simutaneously ping the gateway IP (ping -t [gatweway'sIP]).

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Hello, I am wondering if there is anyway to setup a DHCP server on seperate computers, for example: to have it setup on only my computer but not on my familys computers and if there is a way I would love to know.


Answer:Solved: Need Help Involving DHCP

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I am having a similar problem with my wife's laptop. We just got a new wireless gateway modem from AT&T. It works great on mine but while it says he's connected to the network, I can't get any web pages to come up. I tried some of the other solutions provided and I notice that when I run the cmd stream it says the DHCP is not enabled. But when I go into Admin tools and services it says the DHCP has "started"? I do see that both our computers are using the same IP address. Her computer says under "connection status" under "address type" "Maunally Configured" while mine says its configured by DHCP. Any ideas? Thanks!

Answer:Solved: DHCP not enabled?

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Keep getting same error in event viewer: The JET Database call returned the following Error : -1605.
C: drive is pretty full but after clearing 300mb of space it is still giving error. Any clues?


Answer:{Solved} - NT/Exchange/DHCP


Ok, I went to Microsoft, and put "1605" into the search engine and it found a load of articles. Here are a selection which you can try:<ul>
[*] XADM: Error -1605 Jet_errKey Duplicate The information in this article applies to: Microsoft Exchange Server, versions 5.0, 5.5
[*] Error 1605 When Jetpacking DHCP Database
[*] XADM: ESEUTIL /P Aborts with -1605, JET_errKeyDuplicate

There are more articles, but you did not give enough info for me to make a decent reccomendation as to which one might be the answer.


Reuel Miller
Windows NT Moderator (yes, that does make me biased )

[email protected]


Every morning is the dawn of a new error...

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I am involved with supporting mostly XP based machines. I've serviced a number of machines which were severely infected with numerous spyware programs. Even though in most cases, I've been able to erradicate the spyware, I've been left with machines that won't pole the router for a DHCP IP address. I've checked several locations in the registry but have yet to find the problem. All the necessary services seem to be running also. So, I'm at a loss as to what causes this. I've not been able to find any articles related to it either.

What I'm thinking, is that something in the registry is changed when this happens, to disallow the DHCP service from operating properly. The only IP address I get when this happens, is the one generated when a DHCP server is not detected on the network. This is the address generated by XP's Automatic Private IP Addressing.

Has anyone ever come across this problem? Any help would be greatly appreciated.



Answer:Solved: Lost DHCP in XP

maybe it's the same problem i had ...
try to fix the win sockets registry entry.

try on one computer and see if it helps ...

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Hi folks. I've got a PC that works great on DHCP but if I try to change to static nowt works.
I've tried rebooting both PC and router after I've change IPs but still no luck.
I've used
IP and subnet and Gateway
I have another PC that works fine on static.

Answer:Solved: DHCP IP is OK, static ain't

First try pinging an external site by IP address.
If this works then you are getting to the Internet.

Then try pinging an external site by Name
If this doesn't then you have a DNS issues. I've seen it more than once that you need to use actual DNS entries rather that your router's IP address.

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My friend and I are currently working on setting up a network in his new office to open soon.

I have run into a situation that we both do not understand how to fix.

There are 3 computers:
1 laptop (access Internet through wireless router)
1 desktop (access Internet through wired)
1 small buisness server 2k3 (used mainly for a client/server program used towards his occupation)

We setup the server today, it came preconfigured with windows 2k3 small buisness server. After installation was all complete, we then created a domain (NWSRV) and obviously the server was the DC.

At first, we did not install/configure DHCP on the server, bc we thought just to let the router provide this. (We later figured this is where the problem started) So then the server was provided with a IP from the router, and could access the internet. But yet, none of the PC's could connect to the domain - the desktop keeps coming up with an error along the lines of "DNS name for the DC not found."

The setup:
Comcast provides DSL internet connection to a modem, which then plugs into a netgear wireless/wired router. The router then has the desktop and server plugged into it.

The server is obtaining its IP through the netgear router i believed, so i went into the router and configured the router to "NOT act as a DHCP server." In hope that this would rectify the situation, yet then none of the computer could access the Internet and still no joining of the domain.

In DNS on the se... Read more

Answer:Solved: DHCP Issue, please help.....

Get the other comptuers working normally with the router. Then configure the server with a fixed IP address outside the range of the DHCP services in the router, but in the same subnet.

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My internet connection slows or even stops when I get the following in my event log:

Event Type: Error
Event Source: Dhcp
Event Category: None
Event ID: 1002
Date: 01-04-09
Time: 11:31:18
User: N/A
Computer: XP SP3
The IP address lease (removed) for the Network Card with network address (removed) has been denied by the DHCP server (removed) (The DHCP Server sent a DHCPNACK message).

Do I need DHCP enabled? or is this some other problem?

Any advice appreciated.

Answer:Solved: Internet DHCP or what?

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I am cleaning up a laptop for a friend.
When i plugged it in to my router, i got an IP address and had internet connection. I installed AVG and it immediately found a virus that it called proxy something. I removed the virus and my LAN suddenly got an APIPA. I have had no connection since.

[sidebar: found over 60 viruses on the machine so far. . . ]

I installed a wireless adapter to see if i could get connection there, same thing. APIPA.

Tried to repair the connection and get "failed to renew IP address".
Tried ipconfig /release. Still APIPA.
Tried ipconfig /flushdns, said it flushed, still have APIPA.

The rest of the computers and printers all have ip's and internet access.

Answer:Solved: Can't get NIC to renew IP via DHCP

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In my office, windows XP machine doesn't boot. It stops at DHCP checking... tell me what problem behind it, and what can i do now?

Answer:[SOLVED] DHCP check:

DHCP is the protocol used to allow you to be staticly assighned for a ip address, if the DHCP server is down it shouldnt not allow you to boot its just a online protocol if you unplug your computer from the modem then you want have a DHCP try unpluging your network and try again

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I have no problems at all connecting to the internet on my Mac. I need to get my PC working however, but no matter what I try it can't locate the DHCP server to get an IP address. I have no router, just one modem and one ethernet cable. I've tried restarting DHCP client, tried the netsh commands... I'm coming off a fresh install of XP and am still having this issue. Neither my motherboard's integrated network adapter or the Intel PCI NIC I snuck from work are able to connect. For the record, it was working fine until one night a few weeks ago when I lost power for a moment.

I just had a thought - if I only have one internet connection (switching back and forth between computers) is there any need for a DHCP server? Do I even have one, not having a router?

Answer:Solved: DHCP trouble

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I have access to an ftp server via guildftpd (as suggested in this thread ) and has been working very well. However, he has had to change ISP's and routers.
Previously he had the PC with guildftpd connected via a router but the ISP provided 5 fixed IP for him to use.
Now he has dhcp for his PC's, and the isp does not supply fixed IP's

we have looked at portforward and think that all we need to do is give his PC with guildftpd one of the top range IP as a fixed IP, and forward port21 to that IP - but not sure how this will work with dhcp on the router as we do not seem to be able to switch dhcp off or have a fixed range of IP's

any suggestions please.

Answer:Solved: fixed IP and dhcp

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I'm trying to connect a Dell Dimension 8250 to my local network, and it will not assign an IP address to either the wireless or the LAN. Both my wireless and my LAN networks are DHCP, and all other computers connected to both networks right now are assigning IPs and connecting to the internet just fine. I reinstalled the drivers in the Device Manager, but they were already up-to-date and that made no difference. I tried disabling the wireless and just connecting with the LAN, but it still wouldn't assign an IP. No matter what I do, I get "Limited or no connectivity." Anyone have any other ideas for me to try?

Thank you so much in advance!

Answer:Solved: DHCP not assigning IP

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I'm looking for a DHCP server similar to that installed on routers, to run on my computer. I need to manage and assign ip addresses automatically to my home network

Answer:Solved: DHCP Server

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I got a Vista Home Premium laptop that won't successfully get an IP address ANYMORE from the wireless router (Netgear WGR614). Been working great for over 5 months, now it just gets an 169.x.x.x IP. I assigned the laptop a static IP and it connects to the network and Internet just fine. When I switch it back to DHCP, it gets nothing, just the 169 addy and "Unidentified Network" error with no connection to the Internet.

tried release/renew, net stop/start dhcp, diagnose and repair... nothing gets it an real IP address. this laptop gets DHCP addys from other wireless networks just fine and other computers gets DHCP addys from this router just fine too, so there's something kooky going on with this specific router dishing a real addy to this specific laptop.

Any ideas?

Answer:Solved: DHCP not working on Vista

Changes that may help to increase the compatibility of Vista with older networking devices:

Disable the IP Helper service:

1. Hold the Windows key and type R, enter "services.msc" (without the quotes) and press Enter
2. Scroll down to the IP Helper service, right click on it and select Properties
3. In the dropdown box that says "Automatic" or "Manual", set it to Disabled and then click on "Apply"
4. Then click on "Stop" to stop the service from running in the current session
5. Click OK to exit the dialog

Disable IPv6:

1. Hold the Windows key and type R, enter "ncpa.cpl" (without the quotes) and press Enter
2. Right click on each network connection and select "Properties"
3. Remove the checkmark from the box next to "Internet Protocol Version 6 (TCP/IPv6)
4. Click OK to exit the dialog

NOTE: You should do this for each network connection.

Disable the DHCP Broadcast Flag:


Hold the Windows key and type R, enter regedit and press Enter.
Locate and then click the following registry subkey:
In this registry path, click the (GUID) subkey to be updated.
If the key DhcpConnForceBroadcastFlag does not exist, use the Edit menu, point to New, and then click DWORD (32-bit) Value. In the New Value #1 box, type DhcpConnForceBroadcastFlag, and then press EN... Read more

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I'm working on a Dell Inspiron 1000 that won't boot past trying to load the Mac address. Here's what I get with powering on:

SiS 900 PXE Boot ROM v1.09b Hook Int18

CLIENT MACK ADDR: 00 0F 1F BC 5C EA GUID: 44454C4C-3400-1059-804C-C8C04F4C3431 DHCP ... (It sits & spins for a few seconds here.)

PXE - MOF: Exiting Intel PXE ROM.

Any help would be much appreciated.

Answer:Solved: Won't boot past DHCP

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I am having a major DHCP error on my girlfriend's laptop. I am primarily a Linux user so I'm kinda lost here as her machine is running XP. It's a Dell XPS M1210 which, conveniently, did not come with a recovery CD or even partition.
Anyway, a few weeks ago her wireless network device stopped working. It would look like it was connecting, but it would hang on "Acquiring network address." At first I thought maybe the device was shot, until I had the chance to test out the wired ethernet, which has the same problem.
After quite a bit of googling, I ran services.msc, and saw that DHCP is not running. When I try to start it from that menu, however, I get this message: "Could not start the DHCP Client service on Local computer. Error 1075: The dependency service does not exist or has been marked for deletion."
After more googling, I discovered that DHCP has only 3 dependencies: TCP/IP, AFD, and NetBt. I checked the registry, and those were the only ones listed.
After even more googling, I ran devmgmt.msc and selected "show hidden devices" and double clicked on "non plug and play devices." I TCP/IP and AFD are both there. NetBt, however, is not.
I've spent hours doing further googling and tried pretty much every fix I could find and nothing seems to work. If the PC had shipped with a recovery CD I imagine this would be easy to fix but alas no luck. I need to get this working so I can set up my new internets and I... Read more

Answer:Solved: DHCP Error 1075

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I have a Compaq Presario SR1222NX computer
Pentium 4 515 2.93 GHz
Memory 2.49GB
Specifications for computer are here:

I have been having DHCP Error problems seen in my Event Viewer/Systems under System Tools for some time. Canít seem to get it fixed.

I needed more memory so I upgraded to 2.49 GB and the speed is doing fine. I had Office Depot do a PC Checkup and there were no viruses or malware. I just installed McAffee Total Protection 2011 when Norton expired, so I believe it is free of outside viruses. I even had a PC Tech from a private company come check it out since my internet was not working. He reset IE and Firefox and that seemed to fix the internet. However, I am still having the DHCP Errors and he is doing research to see how to fix it.

I was getting these DCOM Errors almost every 10 minutes until the Tech was here, but donít get them anymore. Something he did must have helped this.

DCOM Error: The server XXXX did not register with DCOM within the required timeout.

These are what I am still getting.

DHCP WARNING: Your computer was not able to renew its address from the network (from the DHCP Server) for the Network Card with network address XXXXX. The following error occurred: The semaphore timeout period has expired. Your computer will continue to try and obtain an address on its own from the network addres... Read more

Answer:Solved: Problems with DHCP Errors

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I've got a pc (XP Pro) that I cannot get to connect to the internet.
I've set the network connection properties to get an ip address automatically but it keeps geting the default (I think or something else)...
I've tried setting it to a specific address in my network range and still notable to connect.

I've run all the latest updates for adaware, cwshedder, ewido, trying kaspersky now.

I've also run lspfix, and winsockfix but nothing.
The only thin that bothers me is in the Status window - its says Autmatic Private Addressing .. I was expecting to see address "Address assigend by DHCP"
This is a dial up pc which I've just added to my network to trouble shoot other things.
(I've set the connection to "Not dail a connection"

Any help direction appreciated.

Answer:Solved: Unable to set IP using DHCP - cannot connect

You don't mention alot of things - Is this wired or wireless? If this is wired have you tried different ports, cables and other equipment? If this is wireless did you address security I.E. setup all the correct things in the router/wap to enable it to connect?

I've run all the latest updates for adaware, cwshedder, ewido, trying kaspersky now.Click to expand...

(Did you do this part manually? These do connect to the internet to update so you may have internet ocnne ction but just not be able to browse? Or did you just use that dial up?)

Since you said this was dial up did you check all of the Network adapter settings to make sure its not disabled anywhere?

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We have over 50 XP computers on our network. Most get their IP's via DHCP (From a MS DC)...
I have one computer that is assigned it's IP statically but every-time it reboots or the network is disconnected and re-connected the DHCP address leases shows a dynamic IP assigned to the MAC address of the NIC.
This makes it so when pinging the computer name it generally responds with the dynamic IP. But when on the actual system itself it is assigned a static IP!
This system with the static IP is Windows XP, we do have many other XP based machines with static IP's that are NOT also getting dynamic IP's.
I've tried a few different static IP's
drivers are fully up to date
tried disabling the dhcp service and rebooting, but still no luck.

I'm not sure where else to try looking. About the only thing I haven't done is replace the NIC...

Answer:Solved: DHCP/Static IP issue

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Router SpeedStream 6520 (WPA PSK/TKIP)
Router's IP and Gateway
With DHCP enabled, Wireless picks up a gateway and a Dynamic IP
Did Flush DNS, ipconfig /release and renew, same thing
Did Safe Mode with networking, same thing
Even did a reboot to factory setting on the router, same thing
Run "NetStumbler" only my SSID is reported

Any suggestions would be very appreciated

Thank you
Thynker is online now Report Post Edit/Delete Message

Answer:Solved: DHCP returning wrong IP

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I'm trying to figure out a problem with my friend's computer recently installed with what looks like an original copy of Windows Xp
(As in not even the first service pack preinstalled)
. It will not connect to the internet and I have reinstalled the ethernet drivers but that doesn't seem to be the problem.

With a ipconfig/all:

Primary DNS Suffix:
NODE type: Unknown
IP Routing: No
Wins Proxy: No

Physical Address:00-11-11-70-83-2F
DHCP Enabled: Yes
Autoconfiguration Enabled: Yes
Auto Configuration IP Address:
Default Gateway:

What can be the problem? I released the IP but when I try to renew the IP, this message appears: An error occurred while renewing: Unable to Contact Dhcp.
My internet connection is a straight forward setup, from an MTA cable/telephone box directly into the Ethernet port; once I plug the cable into my computer it connects perfectly, when I plug the Ethernet cable into my friends computer he gets these problems.
Or is it that his copy of Xp needs those service packs?
Any suggestions?

Answer:[SOLVED] Invalid Ip! Cant contact Dhcp

Are the drivers for the NIC installed, check device manager, if so, try unplugging the modem for about a minute, then plug back in.

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Hi, I have a Verizon Actiontec GT704-WG modem/wireless router. I have a desktop and a sony PSP. the PSP will get online and get assigned a proper IP address. however the desktop, that is wired straight into the modem will only get a 169.254 address. I don't know why. I've assigned the desktop a static IP copying over the subnet and gateway from the sony PSP. which can get online fine wirelessly, and the desktop can ping the modem/router, as well as the PSP, but cannot connect to, or the internet. What the heck is goin on? Is the router's DHCP server not working or what? I've tried everything else, uninstalling the NIC, reinstalling. switching cables....but I figure its seeing something if its got a 169.254 address. I uninstalled the verizon software that came with it. including the firewall and stuff...went into the router( on the PSP and checked it out. seems to be ok...any ideas?? thanks guys//

Answer:Solved: PC not getting DHCP from router/modem

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I hope someone can help me with this.
I want to setup a wireless router on a network with around 40 pc's (winxp pro) and 4 existing routers.
I'm running server2003sp2.
I've got most of the wireless stuff worked out until I get to connecting to the DHCP.
I think I have to use a fixed IP address and enter the subnet mask.
No problem so far.
I'm confident I can work out how to find where my address range is stored within the DHCP on the server.
What I'm not certain about is how I find out what the address's are that already have been fixed (i.e. ones I shouldn't touch ).

Does anyone know how to query the server to get it to divulge what address's are fixed and which are available on a win2k3 server?
I thought this wouldn't be hard but somebody I respect has told me that there is no way to find out from the server.
Anyone with more knowledge?


Answer:Solved: Identifying fixed IP on DHCP

Well, if you get the list of DHCP assigned addresses from the server, then run something like SuperScan to see all the addresses, the ones that are left are not being assigned by the server.

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Hi guys,

I have a server running Windows 2003 Server. It also has multiple NICs. What i want to accomplish is connect this server to my network, have that NIC get DHCP information. Then out of the other NICs have this server supply DHCP to anything that connects to it. Essencially, have this server connect to my network with a 192.168.0.x ip and host out of its other NICs a 10.x network with out dissrupting my current network.

I hope that isn't too confusing.


Answer:Solved: DHCP with multiple NICs

What was the solution?

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I've recently set up a new office area in our home and hard wired 4 ethernet network points in it. I have been running a Netgear 4 port wireless broadband router in the kid's study and this has worked without fault.

I ran a cat5 cable to the router from the office. I have plugged in a Netgear 5 port switch (FS605) into this cable to connect the office (there appears to be no identified uplink port). I run at present both a Mac and PC laptop form the office.

Proble I have is the Mac will retrieve its IP address without fault from the router (DHCP set) but the PC comes back with a strange,, IP address and says it has limited or no connectivity. All cables test perfectly.

I am pulling my hair out. If I plug the PC directly into the cable from the router all is fine but when I put the switch between them the issues start. So the issues seems to be with the switch or the set up on the Laptop. It is currently set to DHCP. I have tried to overide that with a manual IP and subnet mask address setting - without luck.

Should I be using a router rather than a switch? But if so why will the Mac work fine?

Any help or hints would be greatly appreciated.


Answer:Solved: DHCP Issues with new switch

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I got this error message after my system took itself off my dhcp server. I was online when this happened and evertything was charlie-charlie prior. DHCP client but after each try, it stops automatically. I'v restarted, I'v sfc/scannow. I'v tried restoring but realised i dont have restore points. i'v tried repairing with my OS cd but realised vista's repairing isnt like xp (it doesnt actually recopy the system files).
The network connectivity icon is blinking ok but it cannot read the domain name of my network. In the network and sharing centre, the status is "Identifying... (Public network)". In the Local Area Network Status, Packets are being sent but not received. I think I should be able to browse if i assign ip address manually but i would like to correct this error.
Right now, I am out of ideas.

Problem signature:
Problem Event Name: APPCRASH
Application Name: svchost.exe_Dhcp
Application Version: 6.0.6001.18000
Application Timestamp: 47918b89
Fault Module Name: dhcpcsvc.dll
Fault Module Version: 6.0.6002.18005
Fault Module Timestamp: 49e03708
Exception Code: c0000096
Exception Offset: 0000df9e
OS Version: 6.0.6002.
Locale ID: 1033
Additional Information 1: fd00
Additional Information 2: ea6f5fe8924aaa756324d57f87834160
Additional Information 3: fd00
Additional Information 4: ea6f5fe8924aaa756324d57f87834160

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Answer:[SOLVED] dhcp client error

Alrightee people, I guess i ran ahead of myself. I should have been patient and done some more research. Well, got to find out that I am not alone in this ship of mine and its like a glitch in the kernel of the OS I am using (Vista Business SP2). Found a post on that suggested resetting the winsock catalog in the cmd prompt with the commmand netsh winsock reset catalog
Worked fine!
The End.

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When coming out of Hibernation does Windows 7 (64 bit home premium to be specific) continue to use the same DHCP assigned IP address or does it get a new one? Trying to figure out how two different computers running the same version of Windows and both using DHCP could end up with the same IP address.

I am suspecting that the router's DHCP IP address lease expires for the hibernating computer while it is off and gets re-assigned to the other computer when it powers up from a full shutdown.

Answer:Solved: DHCP and Windows 7 Hibernation

It's more likely that the hibernating computer's IP lease does not expire, but the router was reset/restarted, which means it loses all record of leases. Thus the router could assign the same IP to another computer, and when the hibernating (or sleeping) computer awakens it "knows" it still has the lease.

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HI guys !!

beforehand thanks for the assistance and help

Do you guys by any chance know were is the DHCP client tab under this router Linksys 4 port model . BEFSR41 v.1.04.02 , I used to have BEFSR41 v.2 same 4 port and this one was a litle more easy the Interface of the version 2 , to find the status , forwarding tab , etc
Now in this new version I havent had luck , to find were is the DHCP clients table , I need it to know so in that way I can type the last 3 numbers of computer to Host , after setting
the protocol , In this new version I dont see were is the DHCP Clients ?? or theres another way to look for the last 3 digits? like 101 or 102 , because we dont konw wich one is wich one to be able to forward a port for that specifically computer.
the Interface its completely dif. in this version dont find the DHCP Clients Table

thnks guys


Answer:Solved: DHCP client TAB in BEFSR41

HI Mr Freeman !! beforehand merry Xmas and Happy New YEAR !!! TO ALL the members of TECH Support GUY !! wish you the best for the 2007 !!

Now regarding to my post of the router Linksys 4 port model BEFSR41 v.1.04.02 , wel I find a way a round , when I open teh interface of the router , really dont give me the option to select DHCP clients , so what I did was :

1,- FIRST In SETUP TAB I set Obtain an IP automatically

2.- Type teh last 3 digits from my computer in the Setup TAB under Start IP address. example ; 100 or 101 depends what number you want to be in the start , then check ENABLE in the Local DHCP Server , after this go to :

3.- APPLICATIONS & GAMING ; once in here I just open my ports from the application desired , under" PORT RANGE"
I wrote teh name of the Aplication , in wich number of port it sSTART and END set the PROTOCOL and Last but more important IP Address with teh last 3 digits , I typed in the SET UP "page" TAB . and click save settings ,
Thats what I did , and for now its working really fine for us,
late but solved .

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Alright so i'm trying to setup a DHCP server in a test sandbox type environment and clients don't seem to be receiving IP addresses.

I can look on the server and see that it is giving out IP addresses to each of the clients so i know that the server is recieving the requests, i also ran wire shark on one of the clients and i see a discover an offer and requests, and the offer has the correct ip information that has been assigned to this client from the DHCP server but the client does not assign it to itself and i can't for the life of me figure out whats going wrong.

i hope that someone with more knowledge then me can figure this out.

and heres the wireshark pcap file

if you need anymore info to help you out let me know. Thank you
i forgot to mention my setup. The Server is Server 2008 Enterprise, the clients are all windows 7 enterprise except for an ipad
the server is a VM and one of the clients is a VM running on the same host box.
one of the clients is a laptop
one of the clients is an IPAD
one of the clients is a Desktop

the server is also running AD, it's a domain control and it's running DNS

the network
the server and one client are running on a single host machine connected witlessly to a router.
the latop is wireless
the desktop is wired

DHCP on the router has been shutoff

The servers host hardware and the server both have statically signed IP addresses.

Answer:Solved: Trying to setup DHCP (and failing)

I figured it out. it was because the scope was configured to use NAP. i guess this is something new with server 08? anyways i don't need it in this situation so i just shut it off but does anyone know of a good informational link about setting up NAP to work properly? i did a google search and couldn't really find anything good on it.


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I am about to give a neighbour access to my wireless network. In my network, I have 8 clients with fixed IPs. If I list those 8 clients in my QOS for priority and not my neighbour, will my neighbour be down-prioritized or won't the QOS apply to her?

Answer:Solved: QOS on clients with dhcp enabled

If you don't set QOS for her computer,then it most likely
will not have any bandwidth limitations.

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I keep receiving the below errors on 2 PC's
Both are Windows XP Pro
Both are setup for DHCP locally, on the DHCP server they both have reservations.
--Support types = Both
MAC address is listed in here as well.

Any ideas why it's just on 2 PC's?
and any ideas on what to try to fix this issue?

Your computer was not able to renew its address from the network (from the DHCP Server) for the Network Card with network address 00016C54B9E6. The following error occurred:
The semaphore timeout period has expired.
Your computer will continue to try and obtain an address on its own from the network address (DHCP) server.
They are both the same Make/Model PC
Both NIC cards are by Marvell, I updated the driver to the latest one (driver from 2008 to 2012) just on 1 PC.
--I'll monitor it to see if this fixes the issue.

Answer:Solved: DHCP w/ Reservation Errors

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I have a dual core desktop computer that I acquired to resell. I reloaded Windows XP Professional and it performed flawlessly until this weekend when DHCP was no longer able to acquire an IP address ("the network did not assign a network address"). The command, ipconfig, shows nothing but zeros. I am able access the Internet by configuring TCP/IP to use a static address, however since I intend to sell the PC, I would prefer to correct the problem with DHCP.

I've believe I've eliminate hardware as the problem.

* I've used the same network hub and cables near my workbench with other PCs. They work fine.
* I inserted another NIC into the PC. XP recognized it, added drivers, but DHCP still failed to assign an IP address when I used it.
* I enabled TCP/IP to use a static address. Doing that allows me onto the Internet.

I'm working on the assumption that the problem is Windows software. Networking PCs is not my strong suit. Any advice?


Answer:Solved: Can I Repair DHCP in Windows XP?

(from a JohnWill post)

IP addresses of are normally caused by one of the following.

1. DHCP Service not running.
2. Duplicate IP address on the network.
3. Bad NIC card drivers.
4. Defective NIC hardware.

1. Check Control Panel, Administrative Tools, Services. The DHCP Client service should be Started and its Startup Type should be Automatic.
2. Turn off ALL of the computers and other network connected devices, reboot the router, then restart all the computers and other network devices.
3. Check for upgraded drivers and/or reload the Network drivers.
4. Replace the Network Interface Card.

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I recently switched from Comcast to ATT internet service. I can't connect because it says (can't find DHCP client service) Any tips on this issue.
It worked just fine until the switch.
Running Windows Vista Premium.

Answer:Solved: DHCP client service

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I have part of a network:
4 vlans configured on 1 switch(cisco 2960) which is connected to fa0/1 of a Cisco 2811router.
The server happens to be on the last of the four vlans (vlan40).
My problem is that its failing to provide ip addresses via dhcp to the PCs that are on the same vlan with it.
Thank You in advance.

Answer:Solved: DHCP Problem in VLAN.

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Hi.I just got NTL installed in the flat which I share with a few others. I have connected my NTL cable modem to a Dlink wireless router.My two flatmates can connect wirelessly fine - they get assigned an IP address via DHCP from the router fine and can browse no problem.The problem occurs when I try to connect. I just cannot get assigned an IP address at all. It just sits there trying and eventually shows "limited or no connectivity". this happens where I try to connect wirelessly or wired to the router.I have tried iponfig /release and /renew to no joy.I have also tried assigned a static IP address for my connection and this does allow me to connect but when I do this it seems to hog all the bandwidth and the other guys while still connected can not access and web pages etc.Any tips or advice would be much appreciated.

Answer:DHCP problems - cant DHCP wirelessly, others can..

With your network adapter (either the "wired" or the "wireless" one) set to get its IP address automatically and connected to the router, can you run IPCONFIG /ALL then right click in the Command Prompt window, "Select All", press Enter to copy to the clipboard and paste the contents into a reply here?

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Our ISP just installed a DHCP server (we won't be using it, we have static IP address for internet). Our NT box has two NIC cards, one for local network, the other connected to our cable modem. It has DHCP server running for our local workstations to get their ip addresses. But it has been shutting down with an error message stating that "The DHCP server is shutting down because another DHCP server with IP address of is active on the network." is our ISP's new DHCP server. How can I get our server to ignore the ISP's DHCP server?

Answer:ISP DHCP shutting down internal DHCP

You need to make sure your ISP isn't trying to renew the DHCP lease and has your IP address excluded from their DHCP servers list of non static IP's. Sounds like their error and config problem not yours. Unless you haven't excluded your static addresses from your DHCP server pool.

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Dealing with a Motorola cable modem here - how can I find out if its a DHCP server also?

Answer:Solved: Could a cable modem be a DHCP server?

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Okay, so I've been using my laptop online for about 2 years with no problems at all (Vista OS). Then one day I go to sign on and it doesn't "find" the network it has used for years. I fiddled around with the router, got a new encryption key and somehow it worked - for a short time. Now, nothing at all pertaining to the internet - only available to connect to a "local" network. I can access the internet when I use an ethernet cable only. Our desktop, iPod Touch and Mac have no problem connecting. The laptop and wireless printer are not picking anything up. From most that I have read it seems I should have a DHCP enabled - it says NO and I don't know how to fix it - I get error messages stating:

Cannot communicate with Primary DNS Server
network diagnostics pinged the remote host but did not receive response
Windows found a problem that cannot be repaired automatically
contact your ISP or network administrator for help or click here Ö
Can anyone help? It is so frustrating!! My kids waltz around here, online with no problems and I sit here - tethered to a wire! LOL TIA!


Answer:Solved: DHCP disappeared?! Can't Connect To Internet

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Hey i got similar problem.I have dell inspiron 1501 (Vista32) and routher Linksys WRt54G.
I keep getting "local only" and "limited conectivity".I realized that the problem is in my pc because the other pc's connect to the access point without problems.I tested the following:

plugged directly to the modem=no success
plugged to the wireless routher=no success

When i looked into the info from ipconfig command i get this ip:
autconfigured ipv4

Due to that i entered ip manually something like: and default getaway
then tried with disabled ipv6
Still nothing.Then tried netsh int test reset ip and netsh winsock reset catalog without success!
The i upgraded my wireless card drivers and routher firmware just in case,reseted the routher to factory defaults and still nothing! I really dont know what could be the reason for that.Since i bought the laptop 1,6 year ago didnt had any problems.
I think everything started after i uninstaled Norton Internet Security and using Norton cleaning utility! I instaled Eset smart security and i started to get blue screen of dead! I wasnt able to log on to windows.After uninstalation i was unable to connect to internet.

Please Help

Answer:Solved: Unable to contact DHCP server

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Hello,, My prob is this, I have installed a wireless network card and a wireless router, and for some reason in windows xp,, I cant seem to get this thing to work right,, I finally got signal strength and was able to configure the router and the card to each other now I'm having a prob in windows where it cant connect the dchp or repair the connection because it couldnt renew the IP address,,, heres what I have done so far and what I know,,

I know if it cant find the dhcp, it wont allow it to renew the IP addy, and then in turn I know a few cmd strings to find out ip address's and to renew them thru the IP config,, what I havent tried is release them and then trying to renew them, how can I get windows xp to connect to the dchp

Answer:Solved: dhcp in windows, a newbie to networking

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about an hour ago my 3month old Dell XPS Studio decided that i had "limited connection" to my router (wired). I have no idea what vista means by limited connection but i was unable to go on the internet with that computer. However the other computers on my LAN were fine (also wired)

I've tried rebooting the modem, router, pc.
I've done ipconfig /release and /renew afterwards.
I've done a few other cmd commands which resets my IPv6 and IPv4

still nothing. help anyone? thanks.

EDIT: update, i've tried some more stuff and upon ipconfig /renew it says there was an error with Loopback Pseudo-Interface 1 : The file was not found.

Answer:Solved: Unable to contact DHCP server. HELP! :(

Well, let's do the official stack repair, since you didn't say exactly what you did.

TCP/IP stack repair options for use with Vista or Windows 7.

Start, All Programs\Accessories and right click on Command Prompt, select "Run as Administrator" to open a command prompt.

In the command prompt window that opens, type type the following commands:

Reset WINSOCK entries to installation defaults: netsh winsock reset catalog

Reset IPv4 TCP/IP stack to installation defaults. netsh int ipv4 reset reset.log

Reset IPv6 TCP/IP stack to installation defaults. netsh int ipv6 reset reset.log

Reboot the machine.

Next, if that doesn't do it, I'd suggest a run with SFC since it's saying a file isn't found.

Vista SFC Tutorial

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I was just configuring my router settings, well really all I did was change the LAN TCP/IP Setup - IP Address from back to and now on my PC I am having a great deal of trouble, mind you everything else in the house still work perfectly fine wireless and wired.

Netgear WGR614v9

Wireless Network Card
-Update with error

"Windows found driver software for your device but encountered an error while attempting to install it"

Network Status
Unidentified Network
No network access

Skynet Limited access

Windows Network Diagnostics
Seems to disconnect the device when going through it's procedures.

Ends with the Problems found saying "Wireless Network Connection" doesn't have a valid IP Configuration Not Fixed.

I ran a few things in cmd
-reset TCP/IP with netsh
-netsh dump
-netsh winsock reset
----and a few others I think.

(All ipconfig commands except ipconfig/all do not work) states:
No operation can be performed on Wireless Network Connection 2 while it has it's media disconnected"
It cannot contact my DHCP server.
I Have given permissions to DHCP through navigation via: HKey_Local_Machine\System\CurrentControlSet\Services\DHCP etc...

Reinstalled TCP/IP

this is what my ipconfig/all displays of my WLAN:

Wireless LAN adapter Network connection 2:

Media State.......................: Media disconnected
Connection-specific DNS ... Read more

Answer:Solved: TCP/IP - DHCP - WLAN Connection Problems

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On my other laptop, I am unable to connect to my home cable network. The connection states that "Current Status: Unknown. The dependency service or group failed to start". After digging about my laptop, I find that DHCP Client is not running. However, upon attempting to manually start it, it gives me Error 5: Access is denied. I am at a loss on what to do.

Answer:Solved: DHCP Client Refuses to Start

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I need help connecting to the internet. I am running on a wireless router.
I have tried ipconfig release, renew, and winsock
I've also tried auto obtaining ip and dns
Everytime i try to connect to the network it stops at renewing ip address and usually the default gateway is blank.

i ran cmd and typed in ipconfig /all and this is what i get

Windows IP Configuration
Ethernet adapter Local Area Connection:

Media State . . . . . . . . . . . : Media disconnected

Ethernet adapter Wireless Network Connection:

Connection-specific DNS Suffix . :
Autoconfiguration IP Address. . . :
Subnet Mask . . . . . . . . . . . :
Default Gateway . . . . . . . . . :

C:\Documents and Settings\Beee>ipconfig /all

Windows IP Configuration

Host Name . . . . . . . . . . . . : Bee
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Unknown
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter Local Area Connection:

Media State . . . . . . . . . . . : Media disconnected
Description . . . . . . . . . . . : Realtek RTL8102E Family PCI-E Fast E
thernet NIC
Physical Address. . . . . . . . . : 00-40-45-34-95-9C

Ethernet adapter Wireless Network Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Atheros AR2427 Wireless Network Adap
Physical Address. . . . . . . . . : 00-25-D3-32-1D-2C
Dhcp Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Autoc... Read more

Answer:Solved: HELP PLEASE T_T Unable to contact dhcp server

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I am setting up a linux box for a server on my home network which is DHCP, I don't want to change the entire network, I just need this server to have a static IP (so that I can get port forwarding to work). I don't even know if this is possible, if I were to give the server a static IP can my router deal with it, even though everything else is DHCP? My router is a linksys WRT54GS if that helps any.
An answer to this would be much appreciated. ^_^ Thanks

Answer:Solved: Is it possible to have one computer with Static IP on a DHCP Network?

Yes just make sure it sits outside of your DHCP scope so if DHCP starts at and has 100 seats then make the machine be or lower or and higher and it would be fine. Make sure to copy all other items from what DHCP would give you. E.G. DNS, Subnet mask and gateway.

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Hey all,

I have a simple network at home using winxp pro on both comps. I wish to use simple file sharing but am unable to do so. I have automatically configured IP addresses for both comps, and am able to ping using these ip addresses but cannot ping by comp name. both comps have addresses starting with 169.254.x.x indicating that the dhcp cannot issue a proper address, however when trying to release and/or renew the computer says that it has timed out before the request can be completed.

I have tried uninstalling the devices, rebooting and then reinstalling but the wizard falls short at the end claiming an error has occured.

The error according to admin tools is in the system section saying-

The device, \Device\Scsi\viamraid1, did not respond within the timeout period.

look forward to some responses! ...please!!!


Answer:Solved: DHCP error, can't connect nerwork

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When connecting to my local LAN network router I get the message " This connection has limited or no connectivity." The Local Area Connection Status,Support, details page displays;
Physical Address = 00-1A-70-15-6C-7B
IP Address =
Subnet Mask =
Default Gateway, DNS Server and WINS Server are blank.
At the command prompt I run ipconfig/all : The Adapter Autoconfiguration IP Address is
At the command prompt I run ipconfig/renew: After the request times out the following message is displayed: "An error occurred while renewing interface local area connection: unable to contact your DHCP server. Request has timed out"
The 2nd Computer on the network ( a Toshiba M55-S135 notebook) connects with no problem. The info on The Local Area Connection Status Support page displays:
Address Type Assigned by DHCP
IP Address
Subnet Mask
Default Gateway
The Details page displays:
Physical Address = 00-0F-B0-8E-14-07
IP Address =
Subnet Mask =
Default Gateway=
DHCP Server=
Lease Obtained=9/7/2008 6:24:40 PM
Lease Expires=9/8/2008 6:24:40 PM
DNS Server=
WINS Server= blank
Suspecting a bad LAN chip ( a Realtek RTL8169 Ethernet NIC) I disabled the Realtek in the Device Manager. I then installed a Linksys LNE100TX Fast Ethernet Adapter.
The results however are the same, the computer does not get any info from the DHCP server.
I can hookup... Read more

Answer:Solved: Unable to contact the DHCP server

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It's take time to connect wireless thru ADSL DHCP... you need to release and renew.. the IPCONFIG

is there any way to connect immediately?

Answer:Solved: HELP: It's take time to connect wireless thru DHCP

With absolutely no information about the environment, it's really hard to answer.
Please supply the following info, exact make and models of the equipment please.

Name of your ISP (Internet Service Provider).
Make and exact model of the broadband modem.
Make and exact model and hardware version of the router (if a separate unit).
Model numbers can usually be obtained from the label on the device.
Connection type, wired or wireless.
If wireless, encryption used, (none, WEP, WPA, or WPA2)
Version and patch level of Windows on all affected machines, i.e. XP (Home or Pro), SP1-SP2-SP3, Vista (Home, Business, Ultimate), etc.
The Internet Browser in use, IE, Firefox, Opera, etc.

Please give an exact description of your problem symptoms, including the exact text of any error messages.

If you're using a wireless connection, have you tried a direct connection with a cable to see if that changes the symptoms?
For wireless issues, have you disabled all encryption on the router to see if you can connect that way?
Have you connected directly to the broadband modem to see if this is a router or modem/ISP issue?
If there are other computers on the same network, are they experiencing the same issue, or do they function normally?

On any affected computer, I'd also like to see this:

Hold the Windows key and press R, then type CMD (COMMAND for W98/WME) to open a command prompt:

Type the following commands on separate lines, following each one with the Enter ke... Read more

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Hello, i was not exactly sure where i am supposed to post this question so if this isnt the right place i will delete this and repost where you tell me too, here is the problem.

I have a computer on a school network, i recently set up a WDS server to make rebuilding computers allot easier and faster. I created an image for a Inspiron Desktop 560ST but when i tried to redeploy the image back on the exact same computer while connecting to WDS deployment service i get this error.

<Installing windows>
WdsClient: An error Occured while obtaining an IP address from the DHCP server. Please check to ensure that there is an operational DHCP server on this network segment.

I do have a DHCP server and it is on.....

In the same screen i get the error i press shift+f10 to bring up CMD and type ipconfig and this is what i get

Windows IP Configuration

Ethernet adapter Local Area Connection:

Connection-Specific DNS Suffix . :
Link-Local IPv6 Address . . . . . . : fe80::70bb:e025:dd6c:cf84%2
Autoconfiguration IPv4 Address . .:
SubNet Mask . . . . . . .. . . . . . . .:
Default Gateway . . . . .. . . . . . .. :
_________________________... Read more

Answer:Solved: Can not connect to DHCP on a network computer

Networking would be the right section, I`ve moved the thread for you.

Does the card work while in Windows, maybe the network card is no good.

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Hi all, sorry if this is in the wrong section but it was the closest one I can find.

I am setting up a Windows Server 2008 R2 server onto a network. The network has an ADSL modem router. I think I am setting up something incorrectly as I cannot get internet on my computers when the DHCP is enabled on the computer and not on the router.

My settings are as follows.

Server PC: (I set these myself manually)

IP Address:
Subnet Mask:
Default Gateway:

DNS Server:


IP Address:
DHCP Server: Disabled
WAN DNS Address: *retrieve automatically from service provider*

DHCP settings in server manager:

IP Range: -->
Subnet Mask:
Default Gateway:
DNS Server:

I have not modified any DNS settings not entered any settings apart from the above.

I cannot for the life of me get the internet to work with these settings and I need to run a domain environment from this server so I need the DHCP and DNS to operate from the server.

If anyone is able to help me I will be eternally greatful.


Answer:[SOLVED] DHCP and DNS in Windows Server 2008

Looks like your Server's setup in a loop, pointing back at itself for DNS (and Default Gateway?); you need it to pickup from an outside DNS server - your ISP, OpenDNS or whatever.

Not sure what the gateway needs to be set for, I'd suspect it should point to the router's IP - but I know almost zero about setting up a server!

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I have two PCs in two different locations of the neighborhood and each with a different Internet provider. Both are served by a radio link from the respective (different) providers (Antenna on the roof, Modem DSL box inside, Ethernet cable connection to PC).

The trouble arises at one location where the connection sometimes goes down briefly and then is back up but sometimes is gone for good. The provider then advises to cut off the mains power to everything (modem box, PC etc) and reconnect after a couple of minutes.

It usually works but sometimes it doesn't at all. Last night 3 times had no result. I contacted the Provider this morning who told me to disconnect/reconnect again and this time it worked. But he told me that they had done nothing their end and that the PC here had failed to renew DHCP lease. I understand what that is but my PCs at the other location have never had that issue (DHCP change is not so frequent with that other provider but this one here is expanding his customer list).

What bugs me is that the net goes down frequently with this one during a session but then comes up again, presumably renewing the DHCP lease all the time. Takes a coupla seconds, half a minute at most (DHCP changes quite frequently I know from a neighbor who often runs the config command).

I'm leery of the (usual) provider take that the fault lies/lay at my end.

I've only been working on this one for about a week so I don't know the provider's track record... Read more

Answer:Solved: PC fails to renew DHCP lease?

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At title states. I'm baffled

Unable to create a connection with the windows 7/64 machine. I've tried both dhcp and static with no resolve. Disabled/Enabled the adapter. Restarted the machine a few times. Uninstalled/Reinstalled/Updated/deleted the nic drivers and also let windows install its drivers. Used alternate eth cables / ports on hub.... other machines and mac work fine.

Network adapter states "This device is working properly"... local area connection status states:
ipv4 connectivity: no network access
media state: enabled

ran diagnose under the nic context menu and "troubleshooting couldn't identify the problem"...

System was working fine two days ago before I left for the weekend... machine was turned off before I left and was still off when I returned. Also, windows updates are set to manual.

Answer:Solved: Unidentified Network (DHCP / Static)

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Hi there.

I recently acquired myself a new laptop, with a Intel PROSet/Wireless 3945ABG Network Adapter in it. There is a problem with connecting with the dynamic IP (where it should retrieve the IP/DNS/whatever info itself). The network I use at home is somewhat "secret", but I have successfully setted a profile up for the network, and for it to connect automatically on startup. I have updated the WLAN drivers from the manufacturer of my laptops website.

However, when I turn the laptop on, it persists saying "Acquiring Network Address". As far as I can tell, it IS connected to the network, but is not/has a problem with the DHCP server. My laptop runs Windows XP.

Does anyone recognize this problem?
I have tried troubleshooting it on the internet, but nothing came up that was related to my problem.

Thank you,

Answer:Solved: Intel 3945ABG DHCP Problem

SUCCESS! Problem solved

My Dad and I fiddled abit around with the settings, and suddently, it worked.

It said DHCP Enabled, but still, we found out that DHCP CLIENT was disabled.

Well, works fine now *thumbs up*

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Question: NAS unreachable


I have a NAS, accessible via locally. The problem is : I can't see it under Windows. In Linux I can see it under network tab

I try to access it with \\ in My Computer but doesn't work too

Any ideas ?

Thanks in advance

Answer:NAS unreachable

Hi nathan30

Did this just recently start?

Is this a new device or new install?

Is your computer connected wirelessly and is the network set to private? (not public).

Could you fill out system specs please.

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Hi Ė I have a problem with my DCHP Service starting and donít really Have a clue why the service is not starting.

Please bear with me, I will make this as short as possible :

Yesterday Ė Needed to restore from tape as the server had crashed, as the Backup Ex3c services would not start we had to do a parallel install of NT in to a dummy dir, install Backup Ex3c and then restore the system partition. Booted in to the original NT Installation and all was well apart from the DHCP service would not start, the event log messages are as follows (The bottom message being the 1st as the machine tries to start the server).

The Microsoft DHP server service terminated with the following error :

The DHCP server is shutting down due to the following error:

The DHCP server failed to restore the database. The following error occurred:

The Jet database returned the following error:-1811

The DHCP server failed to initialise the database. The following error occurred:

The Jet database call returned the following error:-1811

I have removed the DHCP service, booted the server and added the DHCP service but the same problem exists.

Any help would be fantastic.

Thanks in advance


[Message from Reuel: Using the word "E x e c" can mess up the HTML for the UBB software, so it is disallowed... that's why there were **** where you had it typed...]

[This message has been edited by Reuel Miller (edited 02-10-2000).]

Answer:{Solved} - DHCP Service fails - Desperate !! Help Needed.

May have found the solution in technet articles :

Q173396 & Q130642

Will post later with results.


[Message from reuel: Just turning those Technet article numbers into hyperlinks to the articles... some peopel might have a hard time finding them...]

[This message has been edited by Reuel Miller (edited 02-10-2000).]

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Hi, this is my first post here but I am doing it primarily because this forum really helped me in my hour of need and I wanted to give back.

My system is Windows XP and it had SP3 with all the latest updates.

Three days ago I was hit initially by what initially appeared to be disk issues requiring me to run chkdsk at startup (I was possibly also infected by malware but I was not ever able to completely confirm this).

After running chkdsk several times I briefly saw some adware screens appear and then I got into a bluescreen/chkdsk kind of a loop. By this point I had also lost TCPIP completely. Sound familiar? If so then this post is for you.

I was lucky to have another system available and I was able to work through the problems and eventually recover thanks to this forum (and others). I will not describe the whole story because this post would be really huge if I did.

But the bluescreen problem was solved by booting from my Windows install CD and selecting R (repair) at the Windows install step.

However after running this for hours and even reinstalling SP3 (my CD has SP2) I was still minus any TCPIP (although my Broadcom tool showed the adapter was working and even had an IP address). Doing ifconfig in a console window gave:

"An internal error occurred: The request is not supported"

Ad. info: Unable to query host name.
Task Manager - the network tab showed "no active adapters"
I tried many combinations of copying in fresh drivers, registry ... Read more

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Having trouble with my Windows 7 Ultimate (64-bit) wired LAN connection. Yesterday evening everything was fine, I was connected and doing some remote work into the office - I was playing with OpenVPN connections. I left the machine for a few hours logged on, came back and now the NIC appears dead.

I have restored windows to the point just before i installed Open VPN.

I get "Unidentified network" and "no internet connection" for my LAN connection in Network Centre. There's no gateway or ip assigned looking at ipconfig /all, just the self assigned 169.* ip

The ethernet cable is connected directly into my cable modem (note, not a router).

I have googled a lot and have tried (not necessarily in this order):

1. Ensured its not the WAN/RJ-45 cable - have connected successfully with an older laptop's LAN NIC. When switching machines i turn off both the machine and the modem for 30 secs, and typically tun network troubleshooter to reset the LAN.
2. Tested the internal NIC by pinging, loopback successful.
3. Uninstalled the LAN NIC and reinstalled it.
4. Removed all clients & protocols from the NIC's properties bar IPv4 and Microsoft Client for windows i.e. specifically removed IPv6.
5. Reset TCP/IP using netsh int ip reset c:\resetlog.txt.
6. Have removed the wireless adapter. The only network connection is the internal NIC.

All forums I've scoured suggest one or more of these things, so I'm exhasuted of ideas.

There&#... Read more

Answer:Solved: Ethernet card - No DHCP, unidentified network

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Everytime I reboot my laptop, I have to start the DHCP client service in order to obtain an IP address for my wireless. Any idea? The service is set to automatic.

Answer:[SOLVED] DHCP Client service does not start automatically


Double-click your DHCP Service and click on the Dependencies Tab, make sure the other Services you see on the Dependencies list are starting Automatically.

Some of your DHCP Dependencies will be Drivers so go to Device Manger, in the View menu, click Show hidden devices. Now, double-click Non-Plug and Play drivers section. Double-click all driver entries you found in the Dependency list of DHCP one-by-one to open its properties dialog, and click the Driver tab;
Check if the Startup type is System.

Then check if it now starts Automatically, if not then try and get a hold of another PC and check it's DHCP Dependency against yours incase any are missing.

If none of that works try doing a repair install.


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Okay I know this may be asking too much but I want it...

Are there any affordible (I.E. cheap but GOOD) SOHO routers out there that provide configureable DHCP becsides just the starting IP the number of connections allowed? I mean where you can input your own DNS, Ip scheme, and information.

I don't want to turn this server into a DHCP server if I can avoid it at all but I don't want to have to hardcode most of these PC's. This shop already blew their bugdget on the SBS server so I want to keep their costs down.

Thanks for the help.

Answer:Solved: SOHO router that allows you to program your own DHCP information?

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When trying to connect to my router (through an ethernet cable) i get ^that error message when i diagnose the connection. All other computers in my house connected via wireless work just fine. I have a dlink dir 615 router which i have reset multiple times, i connect to the network but i dont get internet. Ive tried going into the regedit and giving permessions to all necessary things. I tried manually starting the dhcp service in the control panel. Im running windows vista and i recently got a virus, removed it, scanned and found nothing. When the virus appeared the problem started. I cant get a static ip to fix the problem because i cant connect to the internet. Im about to back up all my files and just reformat my computer but id really rather not do that. Any help is much appreciated!

Also, i have tried google but nothing worked :(

Answer:[SOLVED] The DHCP client service is not running on this computer?

Hi, go to start ,all programs, accessories, and right click on command prompt select "run as administrator" at the prompt type:-

net localgroup Administrators /add networkservice
press enter then type:
net localgroup Administrators /add localservice
press enter then type:
press enter and restart your computer
If this fails to resolve your problem then as "run as administrator" at the command prompt type:-

netsh winsock reset catalog
press enter reboot to take effect.

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I have a HUAWEI Echolife HG521 router and just set up a home Windows Server 2008r2 and configured DHCP on the server.
After trying multiple variations of setting, switching on and off almost every operation on the router, I cannot seem to enable the network clients to obtain addressing from the DHCP server. All leases are still with the router and none showing on the server.

The HUAWEI router configurations are:


DHCP Server:
DHCP enabled: Yes
Start IP:
End IP:
Lease: 8day (default)
Primary DNS: (my 1DNS server)
Secondary DNS: (my 2DNS server)

DHCP Option Pool:
Device: STB
DHCP Option Pool enabled: false
Option60: vnl_stb
Start IP:
End IP:
DHCP relay: Enabled
Operation: Set
The DHCP service on the server is configured correctly and running.

I've tried:
1. Disabling DHCP on the router altogether, but nothing seems to relay to the server.
2. Changing the LAN IP to (hoping to route LAN requests to the server) but this just seems to result in a router/server IP conflict.

Can anyone please shed any light on this? Feel free to ask questions if more info is needed.

Many thanks

Answer:Solved: DHCP & HUAWEI Echolife HG521 router

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Hi guys... I am having a very strange problem about which I've tried a lot of things all of which have been unsuccessful thus far

I have internet access at home through a Motorola SBV5120 cable modem connected to a LinkSys Wireless-G 2.4 GHz router (model WRK54G) with two laptops and one desktop connected to it via plain ethernet (wireline). Thoguh the router provides also wireless access, the computers normally connect using wireline only - and that is where the problem currently is.

Well, I've had this network with this configuration for years, always working fine. However, yesterday one of the laptops (Win XP Home SP2) simply won't connect to the router anymore! - it is stuck in the "Acquiring network address" message on the "Local Area Connection" icon in Windows Taskbar (lower right corner next to the system clock) and it remains there forever. Ipconfig shows IP address of so it cannot connect to the router. DHCP is of course enabled (same as for the other computers, which continue working fine without any problem, accessing internet through the router). My laptop with the problem can't ping to other computers in the network nor to the router (as it does not have an IP address) but loopback ping works fine (

The strange thing is that when I connect the cable modem directly to my laptop, the laptop gets an IP address successfully and can connect to the internet. This made me believe that the problem was on th... Read more

Answer:Solved: Strange DHCP Problem in my home Ethernet LAN

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My home network situation is like this: I have a ZXDSL 831CII Modem/Router with DHCP enabled ( (and a DSL cable). This connects to a 24port D-Link switch and from this I have two ethernet cables to two different routers: a Linksys and an AirLink. Each of these routers has DHCP enabled as well and they provide and

Connected to the Linksys is my WD network drive and connected to my AirLink router is my laptop (they're in separate rooms).
Thus, I've pretty much got two networks set up (two subnets?). What I want to know is how to access one from the other, i.e. how to access my network drive from my laptop (without making the whole home network with static IPs).

*************************************** '------->AIRLINK (DHCP w/>|LAPTOP|

I can't access my drive without directly connecting to the Linksys router; I want to know whether it's possible to access it through my AirLink router.

I originally did not have DHCP activated on the Linksys and Airlink - they had static IPs and so did the laptop and hard drive. However, I was told that it sometimes slows my internet as it may backtrack from AirLink to Linksys and then to the Modem/Router - therefore I activated DHCP.

So one option I considered (to establish a single home network) is putting a switch before eve... Read more

Answer:Solved: Wireless Access Points instead of DHCP routers?

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