Currently running Exchange server 2000 on a w2k server. the w2k server is the domain controller. also have two windows 2003 servers, and want to install exchange server 2003 on one of them. only a couple of the users will use this exchange server; the rest will stay will the 2000 server. if necessary, can set up the windows 2003 server as a separate domain.
the reason for this is to test exchange 2003 with some handhelds vs. blackberry and goodlink, which are currently running with the exchange 2000 server. Do not want to disrupt anything as everything is working well.
What is the best way to do this?