We have a SBS 2000 domain controller and want to replace it with a new
Windows 2003 Server.

Can we upgrade our 50 SBS2k licenses to our new server or do we need to
buy new 2003 licenses?

Also, would we be able to configure our new 2003 server in our existing
2000 domain to get all the Active Directory settings, Exchange
mailboxes, etc. and then demote our SBS to a member server? We want to
continue using it just as a file server.

Many thanks

Dan