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
CU 1
4.0.4577.0253
April, 2011
CU 2
4.0.7577.0314
July, 2011
CU 3
4.0.7577.0330
September, 2011
CU 3 HF
4.0.7577.0336
October, 2011
CU 3 HF
4.0.7577.4051
November, 2011
CU 4
 4.0.7577.4053
November, 2011
CU 4 HF
 4.0.7577.4061
January, 2012
CU 4 HF
 4.0.7577.4064
February, 2012
CU 4 HF
 4.0.7577.4072
February, 2012
CU 5
 4.0.7577.4087
March, 2012
CU 5 HF
 4.0.7577.4098
June, 2012
Security
 4.0.7577.4103
June, 2012
CU 6
 4.0.7577.4109
October, 2012
Security
 4.0.7577.4356
October, 2012
CU 7
 4.0.7577.4374
January, 2013
CU


Lync 2013 (SERVER)
RTM version number is 5.0.8308.0.
VersionRelease Month, YearLink to KB Article
5.0.8308.0
 RTM
NA
5.0.8308.291 
 February 2013
5.0.8308.420
 July 2013
5.0.8308.556
 October 2013
5.0.8308.577
 January 2014
5.0.8308.733
 August 2014
5.0.8308.815
 September 2014
5.0.8308.831
 October 2014
5.0.8308.834
 November 2014
5.0.8308.857
 December 2014
5.0.8308.872
 February 2015
5.0.8308.887
 May 2015 (CU11)
 
 
 
   
   
   




Lync 2013 (CLIENT)

VersionRelease Month, YearLink to KB Article
15.0.4420.1017
 RTM
NA
15.0.4454.1506
 February, 2013
15.0.4481.1000
 March, 2013
15.0.4481.1004
 May, 2013
15.0.4505.1510
 July, 2013
15.0.4517.1504
 August, 2013
15.0.4535.1002
 September, 2013
15.0.4569.1503
February, 2014
(Office 2013 Service Pack 1)
15.0.4569.1508
 March, 2014
15.0.4605.1003
April, 2014
15.0.4615.1001
May, 2014
15.0.4623.1000
June, 2014
15.0.4641.1000
August, 2014
   
     
     



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