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Topic Last Modified: 2012-09-18
This section explains how to migrate from Microsoft Office Communications Server 2007 R2 or Microsoft Lync Server 2010 to Microsoft Lync Server 2013, from Microsoft Lync Server 2010, Group Chat to Microsoft Lync Server 2013, Persistent Chat Server, and from Microsoft Office Communications Server 2007 R2 Group Chat to Persistent Chat Server.