Here's what I did: Added a secondary NIC Started the server Gave the new NIC an IP address I can access Went to that IP-address Switched the two IP addresses around so that the new NIC gets the IP address I want to access the server by. Reboot, just in case, and disconnected the old NIC   The result: Absolutely no network access. The startup screen at the local console tells me the IP address the server listens on, which doesn't work. I