Version and release date of Exchange Server

Each version of the Exchange Server has a different version number. The version numbers and corresponding release dates of each version are listed below:

Name version number release date ------------------------------------------------------ Exchange 4.0 4.0.837 release L 1996 Exchange 4.0 () 4.0.993 August 1996 Exchange 4.0 SP1 4.0.838 May 1996 Exchange 4.0 SP2 container August 1996 Exchange 4.0 SP3 4.0.994 November 1996 Exchange 4.0 SP4 4.0.995 container l 1997 Exchange 4.0 SP5 4.0.996 May 1998 Exchange 5.0 5.0.1457 March 1997 Exchange 5.0 SP1 login June 1997 Exchange 5.0 SP2 5.0.1460 February 1998 Exchange 5.5 5.1960 November 1997 Exchange 5.5 SP1 5.5.2232 July 1998 Exchange 5.5 SP2 login December 1998 Exchange 5.5 SP3 5.5.2650 September 1999 Exchange 5.5 SP4 5.5.2653 November Exchange 2000 2000 6.0.4417 October 2000 Exchange 2000 () 6.0.4417 January 2001 Exchange 2000 SP1 6.0.4712 July 2001 Exchange 2000 SP2 6.0.5762 December 2001 Exchange 2000 SP3 guest August 2002 Exchange 2000 post-SP3 eclipseptember 2003 Exchange Server 2003 6.5.6944 October 2003 Exchange Server 2003 SP1 6.5.7226 May 2004

Depending on the version number of the Exchange Server on your Server, you can view the attributes of the Exchange Server in the Exchange system management tool. The information in this article applies:

• Microsoft Exchange Server 2003 Enterprise Edition
• Microsoft Exchange Server 2003 Standard Edition
• Microsoft Exchange 2000 Server
• Microsoft Exchange Server 5.5
• Microsoft Exchange Server 5.0
• Microsoft Exchange Server 4.0