Can’t join a meeting in Lync Web App when the Region and Language format is Turkish in a Lync Server 2010 environment

Applies to: Lync Server 2010 Enterprise EditionLync Server 2010 Standard Edition

Symptoms


Consider the following scenario:
  • You configure the Region and Language format to Turkish (Turkey) for your computer in a Microsoft Lync Server 2010 environment.
  • You try to join an online meeting by using Lync Web App on the computer.
  • You select the Join as a guest option and then input a username in the Lync Web App window.
  • You click the Join Meeting button.
In this scenario, the following message is displayed in the window continually. However, Lync Web App does not join the meeting.
Joining the meeting...

Cause


This issue occurs because Lync Web App does not fall back to an English version when you try to join the meeting.

Resolution


To resolve this issue, install the following cumulative update:
2953588 Description of the cumulative update for Lync Server 2010, Web Components Server: April 2014