DHCP cannot allocate an IP address

December 10, 2009 at 07:03:29
Specs: Windows XP
Hi, I know this issue is already there, but I still can't solve it - DHCP server cannot allocate an IP address, I've been trying to solve it using WinsockxpFix and with ipconfig - but no result. I've had to re-install Windows (now I've got Xp Home Edition SP3) because of some another problems, but problem still remains after format of HD and reinstall. I was thinking about new net card, but I'm not quite sure it would help me. I really don't know what else should I do.
Thanks for reactions.

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December 10, 2009 at 07:08:44
Are you getting DHCP from a SOHO router or some other device (tell us what it is)?

If yes, is this a wired, or wireless connection?

Was it working before and stopped? If yes, was anything changed/added/removed from the PC in question prior to it stopping?

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December 10, 2009 at 07:16:32
Do you get any responses from pinging

If not your network adapter isn't responding.

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December 10, 2009 at 09:36:55
make sure in the dncp server that you are not doing mac filtering/ip reservations.

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Related Solutions

December 10, 2009 at 13:24:34
Curt R : I have this router : http://www.dooyoo.co.uk/bridges-rou...

It's a wired connection.

Little desrciption of events : everything OK for couple of years and one day failure. Then, after few hours, it worked for several minutes. After that, few days of silence - and 5 minutes of connection (it was yesterday). Thats all. Everything was stabile on that PC, I haven't add anything new. The second PC connected to the same router works without any problems (so I can sit here and try to find out, what happend...).

btk1w1: It responses me every time (sent = 4, received = 4,...)

wanderer : I'm sorry, I don't understand exactly, please clarify it.

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December 10, 2009 at 13:41:15
You can set in the router that a pc only gets a particular ip that you want it to have. If you change the network card it won't get that ip until you update the ip reservation/mac filter in the router.

This does not sound like your issue.

It does sound like a network card failure in that pc though.

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December 10, 2009 at 14:55:44
If you haven't yet, I'd try unplugging it, count to 10 slowly and then plug it back in.

If everything works fine after that, it's your router which may need replacing. Notice I said, "may". That's because sometimes these SOHO routers lose their marbles and recycling the power gets them back to working properly.

If nothing changes, it could easily be the network interface on your computer as has been pointed out. If you know how, you could put another NIC in your PC to test. If the new one works properly then that was the issue.

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