Version	Version (additional zeros removed)	Q	KB	KB / Description	Date Updated
6.5.7656.5	6.5.7656.5	Q2628229	KB2628229	2628229 October 2011 cumulative DST update for Exchange Server 2003 SP2	October 14, 2011
6.5.7656.2	6.5.7656.2	Q976702	KB976702	976702 MS10-024: Description of the security update for Exchange Server 2003 Service Pack 2: April 13, 2010	April 13, 2010
6.5.7654.12	6.5.7654.12	Q959239	KB959239	959239 MS09-003: Vulnerability in Microsoft Exchange could allow remote code execution	February 10, 2010
6.5.7654.11	6.5.7654.11	Q960445	KB960445	960445 December 2008 cumulative daylight saving time (DST) update for Exchange Server 2003 SP2	December 2, 2008
6.5.7654.4	6.5.7654.4	Q956398	KB956398	956398 August 2008 cumulative daylight saving time (DST) update for Exchange Server 2003 SP2	August 5, 2008
6.5.7653.33	6.5.7653.33	Q951061	KB951061	951061 Description of the March 2008 special daylight saving time (DST) update release of Exchange Server 2003 Service Pack 2	March 28, 2008
6.5.7683	6.5.7683			Microsoft Exchange Server 2003 Service Pack 2 (SP2)	October 19, 2005
6.5.7226	6.5.7226			Microsoft Exchange Server 2003 Service Pack 1 (SP1)	May 25, 2004
6.5.6944	6.5.6944			Microsoft Exchange Server 2003 RTM	September 28, 2003

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