Office Communicator Web Access Application Sharing does not work for internal users

Article ID: 978365 - View products that this article applies to.
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SYMPTOMS

Microsoft Office Communicator Web Access (CWA) Application Sharing does not work for internal users. For example, CWA internal users cannot share the desktop in a conference.
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CAUSE

This problem occurs because a CWA client tries to resolve the external address of the media relay while sharing the desktop in a conference. In some topologies, DNS resolution takes a long time. This behavior causes the sharing to time out for 15 seconds.
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RESOLUTION

To resolve this issue, apply the following update:
  • 975614
    (http://support.microsoft.com/kb/975614/ )
    Description of the cumulative update package for Office Communications Server 2007 R2, Communicator Web Access: April 2010
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WORKAROUND

To work around this issue, reduce the time for DNS query failures in the network topology, specifically for external address of the media relay.
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Properties

Article ID: 978365 - Last Review: April 15, 2010 - Revision: 1.0
APPLIES TO
  • Microsoft Office Communications Server 2007 R2 Enterprise Edition
  • Microsoft Office Communications Server 2007 R2 Standard Edition
Keywords: 
kbqfe kbexpertiseinter kbsurveynew kbprb KB978365
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