From the SnapManager® 5.0 for Microsoft® Exchange Installation and Administration Guide:
SnapManager for Exchange limitations
SnapManager for Exchange cannot be used with some software versions, features, databases, and server
editions.
•
SnapDrive versions prior to 6.0
•
Microsoft Windows 2000
•
Restoration of individual mailboxes or public folders
•
Creation or restoration of backups of Exchange databases on third-party storage except for databases
on third-party storage arrays that provide storage for a V-Series system
•
Backup and restoration of Microsoft Exchange 5.5 and Exchange 2000 databases
•
Windows Server 2003 or the Windows Server 2008 IA-64 editions
Hope this helps!
-Ethan