How determine - LCS, OCS, LYNC and Skype for Business Build (Version number)

Often we have the some need identifying the version number or build number for any server type Unified Communication from Microsoft has.

LCS and OCS:
For LCS or OCS, check the following key:HKLM\Software\Microsoft\Real-Time Communications\{92AC8981-AAD9-4391-8563-92E558EEF4C6}

For OCS 2007 R2, check the following key:HKLM\Software\Microsoft\Real-Time Communications\{A593FD00-64F1-4288-A6F4-E699ED9DCA35}

Possible Values:

Version LCS/ OCS/ OCS R2
2.0.5369.0 - Live Communications Server 2005 RTM
2.0.5470.0 - Live Communications Server 2005 SP1
3.0.6362.0 - Office Communications Server 2007 RTM
3.5.6907.0 - Office Communications Server 2007 R2 RTM


Lync 2010 and Lync 2013,
we can make use of the WMI feature and have to run the following PowerShell command:

Get-WmiObject -query 'select * from win32_product' | where {$_.name -like "Microsoft Lync Server*"} | foreach {$_}

else
Get-CsServerVersion


Lync 2010 (SERVER)

Version	Release Month, Year	Link to KB Article	Notes
4.0.7577.0108	January, 2011	http://support.microsoft.com/kb/2467763	CU 1
4.0.4577.0253	April, 2011	http://support.microsoft.com/kb/2496325	CU 2
4.0.7577.0314	July, 2011	http://support.microsoft.com/kb/2571543	CU 3
4.0.7577.0330	September, 2011	http://support.microsoft.com/kb/2624907	CU 3 HF
4.0.7577.0336	October, 2011	http://support.microsoft.com/kb/2630294	CU 3 HF
4.0.7577.4051	November, 2011	http://support.microsoft.com/kb/2514982	CU 4
4.0.7577.4053	November, 2011	http://support.microsoft.com/kb/2647415	CU 4 HF
4.0.7577.4061	January, 2012	http://support.microsoft.com/kb/2670498	CU 4 HF
4.0.7577.4064	February, 2012	http://support.microsoft.com/kb/2669896	CU 4 HF
4.0.7577.4072	February, 2012	http://support.microsoft.com/kb/2670326	CU 5
4.0.7577.4087	March, 2012	http://support.microsoft.com/kb/2684739	CU 5 HF
4.0.7577.4098	June, 2012	http://support.microsoft.com/kb/2693282	Security
4.0.7577.4103	June, 2012	http://support.microsoft.com/kb/2701664	CU 6
4.0.7577.4109	October, 2012	http://support.microsoft.com/kb/2726382	Security
4.0.7577.4356	October, 2012	http://support.microsoft.com/kb/2737155	CU 7
4.0.7577.4374	January, 2013	http://support.microsoft.com/kb/2793351	CU

Lync 2013 (SERVER)
RTM version number is 5.0.8308.0.

Version	Release Month, Year	Link to KB Article
5.0.8308.0	RTM	NA
5.0.8308.291	February 2013	http://support.microsoft.com/kb/2781547
5.0.8308.420	July 2013	http://support.microsoft.com/kb/2819565
5.0.8308.556	October 2013	http://support.microsoft.com/kb/2881684
5.0.8308.577	January 2014	http://support.microsoft.com/kb/2905048
5.0.8308.733	August 2014	http://support.microsoft.com/kb/2937310
5.0.8308.815	September 2014	http://support.microsoft.com/kb/2987510
5.0.8308.831	October 2014	http://support.microsoft.com/kb/3001616
5.0.8308.834	November 2014	http://support.microsoft.com/kb/3010032
5.0.8308.857	December 2014	http://support.microsoft.com/kb/2809243
5.0.8308.872	February 2015	http://support2.microsoft.com/kb/3031061
5.0.8308.887	May 2015 (CU11)	http://support.microsoft.com/kb/3051949

Lync 2013 (CLIENT)

Version	Release Month, Year	Link to KB Article
15.0.4420.1017	RTM	NA
15.0.4454.1506	February, 2013	http://support.microsoft.com/kb/2812461
15.0.4481.1000	March, 2013	http://support.microsoft.com/kb/2760556
15.0.4481.1004	May, 2013	http://support.microsoft.com/kb/2768004
15.0.4505.1510	July, 2013	http://support.microsoft.com/kb/2817465
15.0.4517.1504	August, 2013	http://support.microsoft.com/kb/2817621
15.0.4535.1002	September, 2013	http://support.microsoft.com/kb/2825630
15.0.4569.1503	February, 2014 (Office 2013 Service Pack 1)	http://support.microsoft.com/kb/2817430
15.0.4569.1508	March, 2014	http://support.microsoft.com/kb/2863908
15.0.4605.1003	April, 2014	http://support.microsoft.com/kb/2880474
15.0.4615.1001	May, 2014	http://support.microsoft.com/kb/2880980
15.0.4623.1000	June, 2014	http://support.microsoft.com/kb/2850074
15.0.4641.1000	August, 2014	http://support.microsoft.com/kb/2881070

Author: Thomas Pött Managing Consultant Microsoft UC