Question : Failed to open the Group Policy Object.

Failed to open the Group Policy Object. You may not have appropriate rights.

Details:
Configuration information could not be read from the domain controller, either because the machine is unavailable, or access has been denied.

On a Win2003 with all HotFixes. I don't know how access would be denied, this is using the domain admin account.

Answer : Failed to open the Group Policy Object.

The two NICs might be the problem. On your external NIC, make sure that the "Register this connection's addresses in DNS" in the TCP/IP settings is unchecked. And just to be sure, in your DNS server's properties, make sure the DNS service only listens on your internal address.
Then check your forward lookup zone for leftover entries with your DC's name and the external address.
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