Symptoms
The Microsoft Office Communications Server 2007 R2, Outside Voice Control service crashes if Unified Communications Application Services triggers the following event:
Resolution
To resolve this problem, install the following update rollup:
980372 Description of the cumulative update package for Office Communications Server 2007 R2, Outside Voice Control: April 2010
After you apply this update, a check is added to check the pool list against Null values before the pool list is consumed.Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.