MS Exchange Server 2003 Question: Can I install Exchange 2003 on Windows 2000 server? MS Exchange Server 2003 Interview QuestionAnswer: Yes, but Windows 2000 must have SP3 loaded first. Previous QuestionNext QuestionI am running Exchange 5.5 and would like to upgrade to Exchange 2003. Can I upgrade directly?Can I rename or move the default groups created by Exchange during domainprep and forestprep?