Symptoms

Assume that you install update 2670352 or a later cumulative update that fixes the issues that are documented in update 2670352. In this situation, the following event is logged many times in the Application log on the Lync Server 2010 front-end server: 


Note The values that correspond to the "past n minutes," "connection failures n times," "FODN of FE" and "IP address of FE" items in the error message description of the error message are based on the Lync Server 2010 environment. Additionally, when you use System Center Operations Manager to generate warnings for the events, a large volume of event warnings is generated. This behavior causes no significant problems on the Lync 2010 client.

Cause

This issue occurs because of a problem in the user services module. Therefore, several events are logged in the Application log on the Lync Server 2010 front-end server. 

Resolution

To resolve this issue, install the following cumulative update: 

2737915 Description of the cumulative update for Lync Server 2010: October 2012

More Information

For more information about fixes that are made in update 2737915, click the following article number to view the article in the Microsoft Knowledge Base:

2670352 Description of the cumulative update for Lync Server 2010: February 2012

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