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 Li...