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Application sharing session does not work when it includes more than 200 users in Lync 2010

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Symptoms

Consider the following scenario. You use Microsoft Lync 2010 to start a conference that includes more than 200 users. You try to initiate an application-sharing session. In this scenario, you cannot share an application unless the Application Sharing multipoint control unit service is restarted.

Note This issue occurs if the conference is hosted in a Lync Server 2010 Standard Edition pool. If the conference is hosted in a Lync Server 2010 Enterprise Edition pool, application sharing works after several minutes delay.

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Cause

This issue occurs because an access violation occurs in the Application Sharing multipoint control unit.

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Resolution

To resolve this issue, install the following cumulative update:
2514975 Description of the cumulative update for Lync Server 2010, Conferencing Server: April 2011

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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Keywords: kbqfe, kbfix, kbsurveynew, kbexpertiseinter, kbhotfixrollup, kb

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Article Info
Article ID : 2497111
Revision : 2
Created on : 9/25/2018
Published on : 9/25/2018
Exists online : False
Views : 425