TABLE 1: Supportability Matrix for Various Combinations of Exchange and Windows Versions
	Windows 2003	Win2K in a Windows 2003 Domain	Win2K in a Win2K Domain	Windows NT 4.0
Exchange 2003	Yes	Yes	Yes	No
Exchange 2000 SP3	No	Yes	Yes	No
Exchange 2000 SP2	No	Yes	Yes	No
Exchange 2000 SP1	No	Yes	Yes	No
Exchange 2000	No	Yes	Yes	No
with no service pack
Exchange 5.5 SP3	No	Yes	Yes	Yes