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You encounter one of the following issues in a Microsoft Lync Server 2010 environment:

  • When you apply a client policy to disable the Activity Feeds tab in Lync 2010, the Activity Feeds tab is displayed and then disappears unexpectedly.

  • When a user who does not have¬†Enterprise Voice enabled signs in to a Lync 2010 client, the¬†Phone tab is displayed and then disappears unexpectedly.

Note These issues typically occur when network latency is high.


This issue is caused by a timing issue that occurs when Lync 2010 creates tabs.


To resolve this issue, install the following cumulative update:

2701664 Description of the cumulative update package for Lync 2010: June 2012

More Information

For more information about how to disable the Activity Feeds tab, go to the following Microsoft website:

How to disable the Activity Feeds tab

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