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Cannot join a meeting by using Lync 2013 when the ACP MCU services are running on multiple front-end servers

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Symptoms

This issue occurs in a Microsoft Lync Server 2010 or a Microsoft Lync Server 2013 environment that has multiple front-end servers deployed. This issue occurs because multiple Audio Conferencing Provider (ACP) Media Control Unit (MCU) services send the INVITE and the SUBSCRIBE requests to the audio conferencing provider module for the same meeting.

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Resolution

To resolve this issue, install the following update:
2881070 August 2014 update for Lync 2013 (KB2881070)

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Keywords: kbfix, kbsurveynew, kbqfe, kbexpertiseinter, kb

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Article Info
Article ID : 2981755
Revision : 1
Created on : 1/7/2017
Published on : 8/12/2014
Exists online : False
Views : 314