Article ID: 972704 - View products that this article applies to.
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You have a conference that is hosted on Microsoft Office Communications Server 2007 R2. An Office Communicator user joins this conference and then invites an Office Communicator Web Access viewer to join the conference as a federated user. In this case, Office Communicator user cannot give or revoke control to the federated Communicator Web Access viewer as expected.
To resolve this issue, apply the following update:
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/971296/ )Description of the update package for Office Communications Server 2007 R2, Application Sharing Server: July 2009
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Article ID: 972704 - Last Review: January 16, 2015 - Revision: 2.0