Article ID: 978366 - View products that this article applies to.
Routing that includes user-to-user instant messaging breaks in Microsoft Office Communications Server (OCS) 2007 R2. When this behavior occurs, instant messages are blocked. This problem occurs when the following conditions are true:
This problem occurs because User Replicator replicates the otherIpPhone attribute for regular users. However, the otherIpPhone attribute should only be used for application contact objects. This behavior causes the server to incorrectly perform static routing instead of the regular default routing.
To fix this problem, apply the following update:
(https://support.microsoft.com/kb/977345/ )Description of cumulative update for Office Communications Server 2007 R2: January, 2010
After you apply this update, User Replicator only uses the otherIpPhone attribute for application contact objects.
Article ID: 978366 - Last Review: January 7, 2010 - Revision: 1.1