Checking the OCS/Lync Schema version

To manually verify schema preparation and replication

1.   Log on to a member server as a member of the EnterpriseAdmins group.2.   Open ADSI Edit by clicking Start, clicking All Programs, clicking Administrative Tools, and then clicking ADSI Edit or run adsiedit.msc from the command line.3.   On the Action menu, click Connect to.4.   In the Connection Settings dialog box under Select a well known Naming Context, select Schema, and then click OK.5.   Under the schema container, search for CN=ms-RTC-SIP-SchemaVersion. In the properties look for the ‘rangeUpper’ attribute.LCS 2005 – 1006
OCS 2007 – 1007
OCS 2007 R2 – 1008
Lync Server 2010 – 1100
Lync Server 2013 Preview – 1150

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