Microsoft Exchange Server Versions
What version of Exchange Server do I have?
This unofficial build chart lists all of the known KB articles, hotfixes, update rollups and other builds of MS Exchange Server 2019, 2016, 2013, 2010, 2007, 2003, 2000, 5.5, 5.0 and 4.0 that have been released.
Useful articles:
Quick summary:
↓ Click for detail view | RTM (no SP) | SP1 | SP2 | SP3 | SP4 | SP5 |
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Exchange Server 2019 codename Exchange 15.2 |
15.2.221.12 October 18, 2018 |
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Exchange Server 2016 codename Exchange 15.1 |
15.1.225.42 October 1, 2015 |
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Exchange Server 2013 codename E15/Exchange 15 |
15.0.516.32 December 3, 2012 |
15.0.847.32 February 25, 2014 |
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Exchange Server 2010 codename E14/Exchange 14 |
14.0.639.21 November 9, 2009 |
14.1.218.15 August 24, 2010 |
14.2.247.5 December 4, 2011 |
14.3.123.4 February 12, 2013 |
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Exchange Server 2007 codename E12/Exchange 12 |
8.0.685.24/25 March 8, 2007 |
8.1.240.6 November 29, 2007 |
8.2.176.2 August 24, 2009 |
8.3.83.6 June 20, 2010 |
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Exchange Server 2003 codename Exchange.Net/Titanium/Ti |
6.5.6944233 September 28, 2003 |
6.5.7226 May 25, 2004 |
6.5.7638 October 19, 2005 |
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Exchange 2000 Server codename Platinum/Pt |
6.0.4417 November 29, 2000 |
6.0.4712 June 21, 2001 |
6.0.5762 December 5, 2001 |
6.0.6249 July 18, 2002 |
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Exchange Server 5.5 codename Iridium/Osmium/Oz |
5.5.1960 February 3, 1998 |
5.5.2232 August 5, 1998 |
5.5.2448 December 23, 1998 |
5.5.2650 September 9, 1999 |
5.5.2653 November 1, 2000 |
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Exchange Server 5.0 | 5.0.1457 May 23, 1997 |
5.0.1458 June 18, 1997 |
5.0.1460 February 19, 1998 |
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Exchange Server 4.0 codename Spitfire/Mercury/Touchdown |
4.0.837 April 1, 1996 |
4.0.838 May 1, 1996 |
4.0.993 July 19, 1996 |
4.0.994 October 29, 1996 |
4.0.995 March 28, 1997 |
4.0.996 May 5, 1998 |
All ExchangeServer service packs are cumulative, meaning that each new service pack contains all the fixes that are included with previous service packs and any new fixes.
You can comment here. If you know of a hotfix build or KB that we don't have listed here, please use the comments.