Outgoing PSTN calls are unavailable and Event ID 46020 is logged on an Office Communications Server 2007 R2 front-end server

Applies to: Microsoft Office Communications Server 2007 R2

Symptoms


Outgoing Public Switched Telephone Network (PSTN) calls are unavailable in an Microsoft Office Communications Server 2007 R2 environment. Additionally, you find the following Event is logged on the Office Communications Server 2007 R2 front-end server:

Cause


This issue occurs because of an error that is encountered when Office Communications Server 2007 R2 loads the Outbound Routing policies.

Resolution


To fix this problem, install the following cumulative update:

983472 Description of cumulative update for Office Communications Server 2007 R2: July, 2010

Status


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More Information


For more information about the latest updates for Communications Server 2007 R2, click the following article number to view the article in the Microsoft Knowledge Base:

968802 Updates for Communications Server 2007 R2