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Users cannot host or join a conference in Lync 2010 until the Audio/Video Conferencing service is restarted

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Symptoms

When Microsoft Lync 2010 users try to host or join an Audio/Video conference, the operation does not work. This problem continues until the Audio/Video Conferencing service is restarted. Additionally, the following event is logged in the Application log on a Lync Server 2010, Conferencing Server computer:


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Cause

This issue occurs because daylight saving time (DST) sets the time back an hour. Certain operations are not configured to process during this time frame, and this causes time-outs to occur.

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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, kbexpertiseinter, kbsurveynew, kb

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Article Info
Article ID : 2539646
Revision : 2
Created on : 9/19/2018
Published on : 9/19/2018
Exists online : False
Views : 276