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ip stuck to 169.x.x.x

here is my question.
I work in a tech support and i have seen this a lot, maybe somebody knows the answer.
the ip address stuck to 169.x.x.x in Windows XP

Troubelshooting Steps
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ipconfig /release
ipconfig /renew >> error unable to reach dhcp (something like that)
power cycle computer
power cycle dhcp (router or dsl modem)
disconnect / reconnect ethernet cable
uninstall / reinstall drivers
stop / restart dhcp client service
checked the tcp/ip settings (automatically obtain ip + dns)

does anyone give me something else to try.

SOLUTION

darkfriend

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ASKER CERTIFIED SOLUTION

tfjeff

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mmbutt

ASKER

jeff please explain the last step.
>> add tcpip through "network connections", add protocol...you will find it in c:\windows\inf\nettcpip.inf (it's probably hidden so you must show hidden files first)

you mean after deleting the winsock entries from registry then do this and what will "NETTCPIP.INF" file gonna do
-------------------
for darkfriend > the thing is when ppl call us they suddenly get this problem so its highly unlikely that they change the duplex speed.

What i beleive is there must be a glitch in windows xp, as i have seen people who replace the NIC card, replace the router/cable modem still get 169.x.x.x.
Sometimes the steps i mentioned above worked sometimes only thing left is to reinstall XP. :-)

next time i'll try the steps given by both of you
thank you

tfjeff

after deleting the winsock and winsock2 registry keys mentioned above, you go into control panel, network connections, go to the properties of the local area connection, click "add", "protocol", "have disk" and browse to c:\windows\inf\nettcpip.inf...this will reinstall TCP/IP. I've also had some success with a utility called lspfix available here:
http://cexx.org/lspfix.htm
that problem stinks though, I've had to reinstall a LOT of xp machines for it.
good luck
jeff