This Wiki page lists the Exchange Server versions and Update Rollup's with release dates and KB respectively.

 

 Important
This information has now been incorporated into a TechNet article that is being maintained by Microsoft Exchange User Education team: http://technet.microsoft.com/library/hh135098.aspx.

 

 Note
In this article release dates is in Month/Day/Year format. In build number, additional "zeros" are removed, e.g. Exchange 2010 SP2 UR1 build number is 14.02.0283.003 in table is in short format 14.2.283.2


Exchange Server Release dates

Product name Build number Date
Microsoft Exchange Server 2003 6.5.6944233 03
Microsoft Exchange Server 2003 SP1 6.5.7226 5/25/2004
Microsoft Exchange Server 2003 SP2 6.5.7638 10/19/2005
Microsoft Exchange Server 2007 8.0.685.24 12/9/2006
Microsoft Exchange Server 2007 8.0.685.25 12/9/2006
Microsoft Exchange Server 2007 SP1 8.1.240.6 11/29/2007
Microsoft Exchange Server 2007 SP2 8.2.176.2 8/24/2009
Microsoft Exchange Server 2007 SP3 8.3.083.6 6/20/2010
Microsoft Exchange Server 2010 14.0.639.21 11/9/2009
Microsoft Exchange Server 2010 SP1 14.1.218.15 8/24/2010
Microsoft Exchange Server 2010 SP2 14.2.247.5 12/4/2011
Microsoft Exchange Server 2010 SP3 14.3.123.4 2/12/2013
Microsoft Exchange Server 2013 15.0.516.32 10/11/2012

Exchange Server 2007 Service Pack 1

Product name Build number Date KB
Microsoft Exchange Server Exchange 2007 SP1 8.1.240.6 11/29/2007
Update Rollup 1 for Exchange Server 2007 Service Pack 1 8.1.263.1 2/28/2008 KB945684
Update Rollup 2 for Exchange Server 2007 Service Pack 1 8.1.278.2 5/8/2008 KB948016
Update Rollup 3 for Exchange Server 2007 Service Pack 1 8.1.291.2 7/8/2008 KB949870
Update Rollup 4 for Exchange Server 2007 Service Pack 1 8.1.311.3 10/7/2008 KB952580
Update Rollup 5 for Exchange Server 2007 Service Pack 1 8.1.336.1 11/20/2008 KB953467
Update Rollup 6 for Exchange Server 2007 Service Pack 1 8.1.340.1 2/10/2009 KB959241
Update Rollup 7 for Exchange Server 2007 Service Pack 1 8.1.359.2 3/18/2009 KB960384
Update Rollup 8 for Exchange Server 2007 Service Pack 1 8.1.375.2 5/19/2009 KB968012
Update Rollup 9 for Exchange Server 2007 Service Pack 1 8.1.393.1 7/17/2009 KB970162
Update Rollup 10 for Exchange Server 2007 Service Pack 1 8.1.436.0 4/9/2010 KB981407

 


Exchange Server 2007 Service Pack 2

Product name Build number Date KB
Microsoft Exchange Server 2007 SP2 8.2.176.2 8/24/2009
Update Rollup 1 for Exchange Server 2007 Service Pack 2 8.2.217.3 11/19/2009 KB971534
Update Rollup 2 for Exchange Server 2007 Service Pack 2 8.2.234.1 1/22/2010  KB972076
Update Rollup 3 for Exchange Server 2007 Service Pack 2 8.2.247.2 3/17/2010 KB979784
Update Rollup 4 for Exchange Server 2007 Service Pack 2 8.2.254.0 4/9/2010 KB981383
Update Rollup 5 for Exchange Server 2007 Service Pack 2 8.2.305.3 12/7/2010  KB2407132

 


Exchange Server 2007 Service Pack 3

Product name Build number Date KB
Microsoft Exchange Server 2007 SP3 8.3.083.6 6/20/2010
Update Rollup 1 for Exchange Server 2007 Service Pack 3 8.3.106.2 9/9/2010 KB2279665
Update Rollup 2 for Exchange Server 2007 Service Pack 3 8.3.137.3 12/10/2010 KB2407025
Update Rollup 3 for Exchange Server 2007 Service Pack 3 8.3.159.0 3/2/2011 KB2492691
Update Rollup 3-v2 for Exchange Server 2007 Service Pack 3 8.3.159.2 3/30/2011 KB2530488
Update Rollup 4 for Exchange Server 2007 Service Pack 3 8.3.192.1 7/7/2011 KB2509911
Update Rollup 5 for Exchange Server 2007 Service Pack 3 8.3.213.1 9/21/2011 KB2602324
Update Rollup 6 for Exchange Server 2007 Service Pack 3 8.3.245.2 1/25/2012 KB2608656
Update Rollup 7 for Exchange Server 2007 Service Pack 3 8.3.264.0 4/16/2012 KB2655203
Update Rollup 8 for Exchange Server 2007 Service Pack 3 8.3.279.3 8/13/2012 KB2734232
Update Rollup 8-v2 for Exchange Server 2007 Service Pack 3 8.3.279.5 10/9/2012 KB2756497
Update Rollup 8-v3 for Exchange Server 2007 Service Pack 3 8.3.279.6 11/13/2012 KB2778154
Update Rollup 9 for Exchange Server 2007 Service Pack 3 8.3.297.2 12/10/2012 KB2746157
Update Rollup 10 for Exchange Server 2007 Service Pack 3 8.3.298.3 2/11/2013  KB2788321
Update Rollup 11 for Exchange Server 2007 Service Pack 3 8.3.327.1  8/13/2013 KB28737461
Update Rollup 12 for Exchange Server 2007 Service Pack 3 ​ 8.3.342.4 12/10/2013 KB2903911
Update Rollup 13 for Exchange Server 2007 Service Pack 3 8.3.348.1 2/25/2014 KB2917522
Update Rollup 14 for Exchange Server 2007 Service Pack 3 8.3.379.2 8/26/2014 KB2936861
Update Rollup 15 for Exchange Server 2007 Service Pack 3 8.3.389.2 12/9/2014 KB2996150
Update Rollup 16 for Exchange Server 2007 Service Pack 3 8.3.406.0 3/17/2015 KB3030086

 


Exchange Server 2010

Product name Build number Date KB
Microsoft Exchange Server 2010 RTM 14.0.639.21 11/9/2009
Update Rollup 1 for Exchange Server 2010 14.0.682.1 12/9/2009 KB976573
Update Rollup 2 for Exchange Server 2010 14.0.689.0 3/4/2010 KB979611
Update Rollup 3 for Exchange Server 2010 14.0.694.0 4/9/2010 KB981401
Update Rollup 4 for Exchange Server 2010 14.0.702.1  6/17/2010 KB982639
Update Rollup 5 for Exchange Server 2010 14.0.726.0 12/13/2010 KB2407113

Exchange Server 2010 Service Pack 1

Product name Build number Date KB
Microsoft Exchange Server 2010 SP1 14.1.218.15 8/24/2010
Update Rollup 1 for Exchange Server 2010 SP1 14.1.255.2 10/4/2010 KB2407028
Update Rollup 2 for Exchange Server 2010 SP1 14.1.270.1 12/9/2010 KB2425179
 Update Rollup 3 for Exchange Server 2010 SP1
14.1.289.3 3/7/2011 KB2492690
Update Rollup 3-v3 for Exchange Server 2010 SP1 14.1.289.7 4/1/2011 KB2529939
Update Rollup 4 for Exchange Server 2010 SP1 14.1.323.1 6/22/2011 KB2509910
Update Rollup 4-v2 for Exchange Server 2010 SP1 14.1.323.6 7/27/2011  KB2579150
Update Rollup 5 for Exchange Server 2010 SP1 14.1.339.1 8/23/2011 KB2582113
Update Rollup 6 for Exchange Server 2010 SP1 14.1.355.2 10/27/2011  KB2608646
Update Rollup 7 for Exchange Server 2010 SP1 14.1.421.0 8/13/2012 KB2743248
Update Rollup 7-v2 for Exchange Server 2010 SP1 14.1.421.2 10/9/2012 KB2756496
Update Rollup 7-v3 for Exchange Server 2010 SP1 14.1.421.3 11/12/2012 KB2778158
Update Rollup 8 for Exchange Server 2010 SP1 14.1.438.0 12/10/2012 KB2787763

 


Exchange Server 2010 Service Pack 2

Product name Build number Date KB
Microsoft Exchange Server 2010 SP2 14.2.247.5 12/4/2011

Update Rollup 1 for Exchange Server 2010 SP2 14.2.283.3 2/13/2012 KB2645995
Update Rollup 2 for Exchange Server 2010 SP2 14.2.298.4 4/16/2012 KB2661854
Update Rollup 3 for Exchange Server 2010 SP2 14.2.309.2 5/29/2012  KB2685289
Update Rollup 4 for Exchange Server 2010 SP2 14.2.318.2 8/13/2012 KB2706690
Update Rollup 4-v2 for Exchange Server 2010 SP2 14.2.318.4 10/9/2012 KB2756485
Update Rollup 5 for Exchange Server 2010 SP2 14.2.328.5 11/13/2012  KB2719800 
 Update Rollup 5-v2 for Exchange Server 2010 SP2  14.2.328.10  12/10/2012  KB2785908
 Update Rollup 6 for Exchange Server 2010 SP2 14.2.342.3 2/11/2013 KB2746164
Update Rollup 7 for Exchange Server 2010 SP2 14.2.375.0 8/13/2013 KB2874216
Update Rollup 8 for Exchange Server 2010 SP2 14.2.390.3 12/10/2013 KB2903903

 


Exchange Server 2010 Service Pack 3

Product name Build number Date KB
Microsoft Exchange Server 2010 SP3 14.3.123.4 2/12/2013 KB2808208
Update Rollup 1 for Exchange Server 2010 SP3 14.3.146.0  5/29/2013 KB2803727
Update Rollup 2 for Exchange Server 2010 SP3 14.3.158.1 8/13/2013 KB2866475
Update Rollup 3 for Exchange Server 2010 SP3 14.3.169.1 11/25/2013 KB2891587
Update Rollup 4 for Exchange Server 2010 SP3 14.3.174.1 12/10/2013 KB2905616
Update Rollup 5 for Exchange Server 2010 SP3  14.3.181.6 2/25/2014 KB2917508
Update Rollup 6 for Exchange Server 2010 SP3  14.3.195.1 5/23/2014 KB2936871
Update Rollup 7 for Exchange Server 2010 SP3 14.3.210.2 8/26/2014 KB2961522
Update Rollup 8-v2 for Exchange Server 2010 SP3 ​14.3.224.2 12/12/2014 KB2986475
Update Rollup 9 for Exchange Server 2010 SP3 ​14.3.235.1 3/17/2015 KB3030085
Update Rollup 10 for Exchange Server 2010 SP3 14.3.248.2 6/16/2015 KB3049853


Exchange Server 2013

The Exchange Server 2013 table has been moved to Wiki page Exchange Server 2013 and Cumulative Updates (CU’s) Build Numbers

 

note Note
For information about available Exchange Server schema versions, see the Exchange Schema Versions – Common Questions & Answers TechNet Wiki page.


See Also

  


Script Method to find Exchange Build Numbers

This Script can be used to find Exchange 2007 and Exchange 2010 build numbers in your environment. - Added by Bhargav Shukla - MSFT