Article ID: 2703311 - View products that this article applies to.
You encounter one of the following issues in a Microsoft Lync Server 2010 environment:
This issue is caused by a timing issue that occurs when Lync 2010 creates tabs.
To resolve this issue, install the following cumulative update:
(http://support.microsoft.com/kb/2701664/ )Description of the cumulative update package for Lync 2010: June 2012
For more information about how to disable the Activity Feeds tab, go to the following Microsoft website:
How to disable the Activity Feeds tab