Article ID: 2512218 - View products that this article applies to.
The following event is logged on a Microsoft Office Communications Server 2007 R2, Group Chat server:
Log Name: Office Communications Server
This issue occurs because an INSERT query in a stored procedure is not handled correctly.
To resolve this issue, install the following cumulative update:
(http://support.microsoft.com/kb/2491973/ )Update package for Office Communications Server 2007 R2 Group Chat server: March, 2011
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.