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Local Static IP address won't stay static.  Keeps changing to DHCP.

Posted on 2010-09-17
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Last Modified: 2012-05-10
SBS 2003 with 2 NICs.  Neither one will keep a static IP address.  I'll set the address, save it and then go back into the TCP/IP properties of the adapter and it will have changed to DHCP.  I run ipconfig and it gives me all the static info that was set.  The problem is at least once a day the server will stop responding to network requests and everyone loses connection to their shared database and everything else network related. I have to reboot the server and re-enter the static settings.

I've tried the following:

Updated network adapter drivers
Re-running teh Email and Internet Connection Wizard
The other onboard network adapter
Disabled the adapter, removed and reinstalled drivers.
Resetting tcp/ip with netsh int ip reset resetlog.txt

I'm at a loss.  I haven't tried a new network adapter cuz this server only has PCI-E slots and i dont have a PCI-E network adapter in stock.

Any ideas?

Thanks
Craig
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Question by:computerconcepts
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Accepted Solution

by:
astevens_IT earned 500 total points
ID: 33704530
Check your Event Log and see if you see this error:

http://support.microsoft.com/kb/284955/en-us

Otherwise, there is a thread that is extremely similar to your issue:

http://www.experts-exchange.com/OS/Miscellaneous/Q_22750882.html
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Author Comment

by:computerconcepts
ID: 33704685
The other thread I already found and it said to replace the card but i dont have one.  I'll try your other suggestion and let you know what happens.
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Author Closing Comment

by:computerconcepts
ID: 33705443
Well the idea of uninstalling and reinstalling tcp/ip was on point but the KB you gave me was for Windows 2000.  With 2003 and newer TCP/IP is a core service and therefore can't be removed without jumping through some hoops.  This article explains the process :

http://support.microsoft.com/kb/325356

After working through that KB everything is back to normal.

Thanks for pointing me in the right direction!
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