My site includes: - Exchange 2007 - sp2 servers (running on W2K3-sp2-64bit) - Windows 2003 - sp2 Domain Controllers (32-bit) I need to raise the functional level of my domains and forest from Windows Server 2000 native to Windows Server 2003 to prepare for introducing my first Windows Server 2008 domain controller. Is there anything I need to be aware of (concerned about) from an Exchange point of view before or after I make this change. thanks for any comments.

Nope...not at all. If you need more info on supported levels, DCs, Exchange versions, see this link: http://technet.microsoft.com/en-us/library/ff728623(EXCHG.141).aspx Tim Harrington - Catapult Systems - http://HowDoUC.blogspot.com