Updated: August 4, 2020 (November 16, 2009)

Past Exchange Server Versions

As managing vice president, Rob Helm covers Microsoft collaboration and content management. His 25-plus years of experience analyzing Microsoft’s technology... more

Chart outlines life cycle support dates as well as initial release and service pack histories for recent versions of Exchange Server.

Product

Current Service Pack

Mainstream Support Ends

Release History

Notes

Exchange Server 2000

SP3: Aug. 2002

Ended Jan. 2006;

Extended support ends Jan. 11, 2011

Released: Oct. 2000

SP1: July 2001

SP2: Dec. 2001

Requires Windows 2000 and Active Directory. Cannot run on Windows Server 2003; can coexist with Windows Server 2003 domain controllers

Exchange Server 2003

SP2: Oct. 11, 2005

Ended Apr. 14, 2009; Extended support ends Apr. 8, 2014

Released: Sept. 2003

SP1: May 25, 2004

Some features require Windows Server 2003, Outlook 2003

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