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You install the Conference Attendant server role on a computer that is running Microsoft Office Communications Server 2007 R2. When users make conference calls that are hosted on Microsoft Office Communications Server 2007 R2, the Conference Attendant server incorrectly increments the following counters:
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:
969822 Description of the update package for Office Communications Server 2007 R2, Conferencing Attendant: July 2009
Note After you apply this update, the Conference Attendant server counts the successful calls as expected, and the following counters are incremented correctly: