Article ID: 2661952 - View products that this article applies to.
Consider the following scenario:
To resolve this issue, install the following cumulative update:
(https://support.microsoft.com/kb/2670326/ )Description of the cumulative update for Lync 2010: February 2012
To work around this issue, do not press Enter, or you can press Enter two times when you type the user name to perform the search.
Article ID: 2661952 - Last Review: March 1, 2012 - Revision: 1.0