Windows server 2008 r2 64 bit Static IP address disappears after entering info in GUI

I am running an old Dell 6850 using Windows Server 2008 R2 64 bit
I just added the AD DS and DNS roles to the server and created a new domain.
When I first tried installing the roles, I received an error related to the NICs I have installed (more precisely they were not being detected even though they showed up in device manager).

I uninstalled/reinstalled the NICs and I no longer received the message when adding the roles.

However, I have tried to populate the static TCP/IP properties of the one NIC that is connected, and the information is lost as soon as I exit the dialog box.

I have restarted the system, each time refilling the information.  Verified their are no other systems with the same IP (including the server there are only 7 IPs being used).  I have reinstalled the NICs again, looked to delete the config key as directed by the Server 2003 fix (could not find a similar location in the Server 2008 R2 registry).

The system resolves DNS and pings other systems.  It is even registered when I complete an NSLOOKUP.  But I cannot get the settings to stick in the GUI and I am concerned that this will lead to other issues down the road.

Any help would be appreciated.
SluggobubbaAsked:
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PowerEdgeTechIT ConsultantCommented:
Update the NIC drivers and firmware. What versions are you currently at? Some older Broadcom NIC's had driver/firmware issues, and that was one of the signs.
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SluggobubbaAuthor Commented:
I will try this and post with results.

Thanks.
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Rob WilliamsCommented:
You may have one or more "ghost" NIC's from reconfiguring several times,  If there is an IP conflict it will not save the NIC configuration options.  However this usually results in a warning such as duplicate IP's.  Regardless it is worth checking and cleaning house.  To do so:

A Ghost NIC is a NIC that was installed, removed or disconnected, but may not have been properly removed as an active device.
To remove:
*Note: before performing the final steps you should locate and save to the disk a copy of the network adapter drivers.
Log in as an administrator
Open a command window (If Vista or newer you need to open “with elevated privileges” i.e. right click on CMD icon and choose “run as administrator”)
Run the following command:
  set devmgr_show_nonpresent_devices=1
Open the device manager management console (you can enter  in the command window ‘start devmgmt.msc’  to do so)
On the menu bar under “view” enable/check “show hidden devices”
The Ghost adapters may be grayed out, if so uninstall. If there are any NIC’s you know are no longer present, uninstall.
To do a complete clean up uninstall all network adapters, reboot, and reinstall your network adapter if not automatically discovered.

Microsoft now has a “FixIt” for this as well:  http://support.microsoft.com/kb/269155
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SluggobubbaAuthor Commented:
The answer was to delete a key from the following registry location:

HKEY_LOCAL_MACHINE \SYSTEM\CurrentControlSet\Control\Network

Delete the "Config" key
Restart

The static IP information should now be readable in the GUI.
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SluggobubbaAuthor Commented:
I searched for answers in other locations and found something that worked.  The other solutions were either not related or did not work.
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