Article ID: 2846479 - View products that this article applies to.
Consider the following scenario:
This issue occurs if it takes longer than expected for the Persistent Chat server to synchronize with Active Directory Doman Services (AD DS).
To resolve this issue, install the cumulative updates that are described in the following articles in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/2835432/ )Description of the cumulative update 5.0.8308.420 for Lync Server 2013, Core Components: July 2013
(http://support.microsoft.com/kb/2835433/ )Description of the cumulative update 5.0.8308.420 for Lync Server 2013, Persistent Chat: July 2013
(http://support.microsoft.com/kb/2835435/ )Description of the cumulative update 5.0.8308.420 for Lync Server 2013, Web Components: July 2013
For more information about issues that affect user particiaption in chat rooms, click the following article numbers to go to the articles in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/2783949/ )User in a DG does not receive a chat room invitation when the user signs in to an Office Communications Server 2007 R2, Group Chat client
(http://support.microsoft.com/kb/2796758/ )User cannot join a Group Chat room after you add the user to a DG that is a member of the Group Chat room in a Lync Server 2010 environment
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