Article ID: 2549050 - View products that this article applies to.
A user is shown two times in a membership list of a Microsoft Office Communications Server 2007 Group Chat channel. This issue occurs if the following conditions are true:
This issue occurs because a stored procGetExplicitRoleList procedure is mishandled. The procedure is used to pull the membership list for a specific chat room.
To fix this issue, install the following cumulative update:
(http://support.microsoft.com/kb/2549044/ )Update package for Office Communications Server 2007 R2 Group Chat server: June, 2011