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I have a customer who has a Dell Server running Win 2003 R2 Server. This is an existing machine that we had setup with a static IP. Now they want to change it to another static IP.

When they go and change it, hit ok, then reboot. The config is back to the old IP #.

The user is the administrator.

My guess is it has to do with AD & GP, a virus, an already in use IP#, or something else?

Anyone have any ideas what else could cause this behavior?

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Not sure why this is tagged with DHCP, it sounds like both addresses in question are static. Did I miss something? –  MDMarra Sep 8 '09 at 23:15
    
Most servers have at least 2 NICs, are they definitely setting the new address on the right one? –  MDMarra Sep 8 '09 at 23:16
    
I had tagged it DHCP by mistake, cann't remove it now –  shaiss Sep 9 '09 at 0:25

3 Answers 3

I had a similar problem on a Dell PowerEdge 1950 with Broadcom NIC's installed. Running "netsh reset int ip" from a command line fixed it.

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Does it work after changing the IP, before rebooting? Rebooting is not required to change an IP address.

Is there any anti-virus or security software that may be overzealous in protecting network settings?

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Broadcom NICs? Its a known issue. I can't remember the solution exactly, but if you call Dell support, they should be able to help you in a few minutes.

Basically this is due to a package not installed properly during Dell automated install (or maybe vice versa - you HAVE to use the OMSA CD to install the OS)

Just call support - it's a well documented issue, easy to solve

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still looking in to this. Our user is going through upgrading their nics. We'll see if that helps at all, then I'll mark this as answered. Thank you –  shaiss Sep 16 '09 at 20:44
    
This is why we don't use the broadcom NICs, we always get Intel NIC cards to save us any trouble. –  Hondalex Nov 2 '09 at 17:04
    
Hondalex, b-coms are OK when you know their quirks, and this issue has been around for years now - there's an easy and well documented solution available, only one support call to Dell away –  dyasny Nov 3 '09 at 10:21

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