DNS recordsWhen creating additional DNS records for existing machines, create the records as CNAME records (DNS aliases) instead of A records (DNS hosts).
ipconfig /allUse this command as a starting point for troubleshooting connectivity problems from a workstation or the server.
DNS forwardersConfigure SBS to use DNS forwarders where possible.
DHCP serversIf you have a choice of the SBS server or another device acting as the DHCP server, let the SBS server provide DHCP to the network.
Support ToolsInstall the Support Tools package from installation CD #2 onto the SBS server as soon as possible after system installation.