A call from an application that uses the Unified Communications Managed API in Office Communications Server 2007 R2 to another Office Communications Server 2007 R2-based application fails after some time.

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Article ID: 972701 - View products that this article applies to.
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SYMPTOMS

You make a call from a Microsoft Office Communications Server 2007 R2 application that uses the Unified Communications Managed API to another Office Communications Server 2007-based application. However, after some time, the call fails.

RESOLUTION

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:
970679 Description of the update package for Office Communications Server 2007 R2, Unified Communications Managed API 2.0 Core Redist 64-bit: July 2009

STATUS

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

MORE INFORMATION

The issue usually occurs when the available IP addresses of the host computer change quickly. In this case, calls fail if the IP addresses for multiple calls must be configured at the same time.

Properties

Article ID: 972701 - Last Review: July 28, 2009 - Revision: 1.0
APPLIES TO
  • Microsoft Office Communications Server 2007 R2 Enterprise Edition
  • Microsoft Office Communications Server 2007 R2 Standard Edition
Keywords: 
kbsurveynew kbexpertiseinter kbqfe KB972701

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