Article ID: 158530 - Last Review: July 15, 2009 - Revision: 12.1

Build numbers and release dates for Exchange Server

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SUMMARY

Each version of Microsoft Exchange Server has a different build number. The following table lists the build numbers and general release dates for each version. For information about Exchange 2007 build numbers, visit the following Microsoft Web site:
http://go.microsoft.com/fwlink/?linkid=100101 (http://go.microsoft.com/fwlink/?linkid=100101) 

Version                                             Build
		  number              Release date 
----------------------------------------------------------------------------------------------
		  
Microsoft Exchange Server  4.0                      4.0.837                  
		  April 1996 
Microsoft Exchange Server  4.0 (a)                  4.0.993                  
		  August 1996 
Microsoft Exchange Server  4.0 SP1                  4.0.838                  
		  May 1996 
Microsoft Exchange Server  4.0 SP2                  4.0.993                  
		  August 1996 
Microsoft Exchange Server  4.0 SP3                  4.0.994                  
		  November 1996 
Microsoft Exchange Server  4.0 SP4                  4.0.995                  
		  April 1997 
Microsoft Exchange Server  4.0 SP5                  4.0.996                  
		  May 1998
 
Microsoft Exchange Server  5.0                      5.0.1457                 
		  March 1997 
Microsoft Exchange Server  5.0 SP1                  5.0.1458                 
		  June 1997 
Microsoft Exchange Server  5.0 SP2                  5.0.1460                 
		  February 1998 

Microsoft Exchange Server  5.5                      5.5.1960                 
		  November 1997 
Microsoft Exchange Server  5.5 SP1                  5.5.2232                 
		  July 1998 
Microsoft Exchange Server  5.5 SP2                  5.5.2448                 
		  December 1998 
Microsoft Exchange Server  5.5 SP3                  5.5.2650                 
		  September 1999 
Microsoft Exchange Server  5.5 SP4                  5.5.2653                 
		  November 2000
 
Microsoft Exchange 2000 Server                      6.0.4417                 
		  October 2000 
Microsoft Exchange 2000 Server (a)                  6.0.4417                 
		  January 2001 
Microsoft Exchange 2000 Server SP1                  6.0.4712                 
		  July 2001 
Microsoft Exchange 2000 Server SP2                  6.0.5762                 
		  December 2001 
Microsoft Exchange 2000 Server SP3                  6.0.6249                 
		  August 2002 
Microsoft Exchange 2000 Server post-SP3             6.0.6487                 
		  September 2003 
Microsoft Exchange 2000 Server post-SP3             6.0.6556                 
		  April 2004 
Microsoft Exchange 2000 Server post-SP3             6.0.6603                 
		  August 2004
Microsoft Exchange 2000 Server post-SP3             6.0.6620.5               
		  March 2008    
Microsoft Exchange 2000 Server post-SP3             6.0.6620.7               
		  August 2008

Microsoft Exchange Server  2003                     6.5.6944                 
		  October 2003 
Microsoft Exchange Server  2003 SP1                 6.5.7226                 
		  May 2004 
Microsoft Exchange Server  2003 SP2                 6.5.7638                 
		  October 2005
Microsoft Exchange Server  2003 post-SP2            6.5.7653.33              
		  March 2008
Microsoft Exchange Server  2003 post-SP2            6.5.7654.4               
		  August 2008   

Microsoft Exchange Server  2007                     8.0.685.24 or 8.0.685.25 
		  December 2006 
Microsoft Exchange Server  2007 SP1                 8.1.0240.006             
		  November 2007
Microsoft Exchange Server  2007 SP2                 8.2.0176.002             
		  August 2009
To view the build number of the server that you are using, see the properties of the server.
APPLIES TO
  • Microsoft Exchange Server 2007 Enterprise Edition
  • Microsoft Exchange Server 2007 Standard Edition
  • Microsoft Exchange Server 2003 Enterprise Edition
  • Microsoft Exchange Server 2003 Standard Edition
  • Microsoft Exchange 2000 Server Standard Edition
  • Microsoft Exchange Server 5.5 Standard Edition
  • Microsoft Exchange Server 5.0 Standard Edition
  • Microsoft Exchange Server 4.0 Standard Edition
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Keywords: 
KB158530
 

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