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Major TCP/IP problems - possibly after Windows Updates (Server 2003)

Hello, my Windows Server 2003 R2 SP2 32-bit has stopped talking to the network.  I cannot ping anything from it, and I can't ping it from another machine.  WhenI try to ping anything on it (even pinging 127.0.0.1), I get "Unable to contact IP driver, error code 2."

It may be a coincidence, but it started after a reboot following the installation of Windows updates KB2570947 and KB2616676.  Now at every startup, it stays on "Preparing network connections" for about 10 mins, and somewhere in the middle of that 10 mins I get a message saying "At least one service or driver failed during system startup".

I check the system event logs and there is an error 4311, source NetBT, saying "Initialization failed because the driver device could not be created".  When I google this error, some people, including Microsoft, say it is nothing to worry about, but I certainly was not getting this error before my TCP/IP problems began.

When I do ipconfig, I get "An internal error occurred: The request is not supported" and "Additional information:  Unable to query host name"

I have tried doing "netsh ip reset logfile.txt" but this didn't help.

I don't think it is a hardware issue because I've tried disabling the NIC and using the other one, but I still get the error.

Some people say that an uninstall/reinstall of TCP/IP would fix it, but I can't do this because the option is greyed out.

As for the two windows updates, I have now uninstalled them just in case, but my problems remain.

Any ideas?

Thanks.
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meirionwyllt
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meirionwyllt
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5g6tdcv4Commented:
if you can't ping yourself (127.0.0.1) then the problem is for sure with the protocol........
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meirionwylltSenior Desktop EngineerAuthor Commented:
Excellent - thanks.  Had to follow through to the MS page in the end, because my machine is a DC.  But worked fine.

Thanks.
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