Tuesday, December 4, 2007

Internet Protocol (TCP/IP) problem in Windows XP, cannot resolve server addresses

Had a weird Internet Protocol (TCP/IP) problem today in Windows XP, where it cannot resolve server addresses. But can ping them!


All the user reported was that after a BSOD error that another tech repaired, the machine could no longer reach our servers but could reach our mail server via Outlook client!?!???? The machine can also surf the web, just cannot access our server in anyway except ping it. I thought this could be a firewall or missing NIC setting, but disabling the firewall didn't help and all the NIC settings were correct. They had all our DNS, WINS, and search suffixes properly configured. What fixed this problem was resetting the TCP/IP stack following the guide in the Microsoft link below. After the tool is run on the machine, you will need to reconfigure ALL the NIC settings as they will be wiped out. I was able to run the tool while remotely connected to the machine, so it probably won't disconnect you if you remotely support the box like I do.

How to reset Internet Protocol (TCP/IP) in Windows XP

http://support.microsoft.com/?kbid=299357

Hope this info helps out someone else.

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