KB: How to configure ISA Server 2004 after you add a new network adapter or you replace a network adapter

How to configure ISA Server 2004 after you add a new network adapter or you replace a network adapter is handy kb article but it needs a little modification for SBS.

Be sure to interpret step 7. Configure the TCP/IP configuration as configure the new Network card TCP/IP settings exactly as they were on the old Network card.

and step 9 c. Manually configure the network and add any rules, or select a network template from the right pane to specify your new configuration as run the Connect to the Internet Wizard.