Lync for Mac 2011 users cannot join Lync meetings that is created in Lync Web Scheduler

This issue occurs when an administrator disables the audio/video conferencing policy that is assigned to Microsoft Lync for Mac 2011 users. Check out the logs that the administrator and the users receive when this issue occurs.
Resolution
To resolve this issue, install the update for Lync for Mac 2011 14.1.1.

More information

Logs that Lync for Mac 2011 users receive

When this issue occurs, the users may receive following logs on Lync for Mac 2011 clients.

<response xmlns="urn:ietf:params:xml:ns:cccp" xmlns:mscp="http://schemas.microsoft.com/rtc/2005/08/cccpextensions" xmlns:ci="urn:ietf:params:xml:ns:conference-info" requestId="XXXXXXXXXX" C3PVersion="X" from="sip:<SIP address>;gruu;opaque=app:conf:focus:id:XXXXXXXX" to="sip:<SIP address>" code="failure" reason="otherFailure">

<addUser reason="otherFailure">

<mscp:diagnostics-info>

<mscp:entry>

<mscp:key>ms-diagnostics</mscp:key>

<mscp:value>3110;reason=&quot;The MCU rejected addConference request. This usually indicates a mis-configuration.&quot;;source=&quot;<FQDN>&quot;</mscp:value>

</mscp:entry>

</mscp:diagnostics-info>

<conferenceKeys confEntity="sip:<SIP address>;gruu;opaque=app:conf:focus:id:0I7XFPVN"/>

<ci:user entity="sip:<SIP address>">

<ci:roles>

<ci:entry>presenter</ci:entry>

</ci:roles>

</ci:user>

Logs that administrator receives

Additionally, administrator may receive following logs on Audio Video Multipoint Conferencing Unit:

(AvMcu,Conference.Initialize:conference.cs(288))[3474283201]MCU Conference not created because both audio and video are not allowed.

(AvMcu,CommandProcessor.OnCreateConferenceWorker:commandprocessor.cs(200))(000000000063DAFB)[Conference]{sip:<SIP address>;gruu;opaque=app:conf:focus:id:XXXXXXXX} Conference creation error - Administrator policy does not allow user to start audio and video conferences, Origin of request: Unknown URI
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Article ID: 3037355 - Last Review: 03/11/2016 02:05:00 - Revision: 2.0

Microsoft Lync for Mac 2011

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