Article ID: 978365 - View products that this article applies to.
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.
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.
To resolve this issue, apply the following update:
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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