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You cannot join a meeting that was created in a Lync Server 2013 environment by using Internet Explorer on a Windows Phone 8 device

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Assume that you receive a meeting invitation that was created in a Microsoft Lync Server 2013 environment. When you click the meeting hyperlink in Internet Explorer on a Windows Phone 8 device, the mobile client for Lync Server 2013 does not start. Then, you are prompted to sign in to Lync Web App (LWA). 

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This issue occurs because the Join Launcher application incorrectly reads the user agent string of the Windows Phone 8 device.

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To resolve this issue, install the following cumulative update:
2781564 Description of the cumulative update for Lync Server 2013, Web Components: February 2013

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To work around this issue, join the meeting by using the Meeting pane in a Lync 2013 for Windows Phone client.

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More Information

For more information about the new conferencing features, go to the following Microsoft website:

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Keywords: kbqfe, kbfix, kbsurveynew, kbexpertiseinter, kb

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Article Info
Article ID : 2794262
Revision : 1
Created on : 1/7/2017
Published on : 2/27/2013
Exists online : False
Views : 203