Article ID: 972725 - View products that this article applies to.
In Microsoft Office Communications Server 2007 R2, if you do not use any "My Meeting" conference for more than 6 months, you cannot join a "My Meeting" conference again. Additionally you receive the following error message when you try to join the "My Meeting" conference:
sorry; unable to transfer you into the conference
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:
(http://support.microsoft.com/kb/969834/ )Description of the update package for Office Communications Server 2007 R2 Database: July, 2009
Microsoft has confirmed that this is a bug in the Microsoft products that are listed in the "Applies to" section.