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  2. A public IM user can send instant messages to an internal Office Communicator 2007 R2 user in a Lync Server 2010 environment

A public IM user can send instant messages to an internal Office Communicator 2007 R2 user in a Lync Server 2010 environment

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Symptoms

Consider the following scenario:
  • User A uses a Microsoft Office Communicator 2007 R2 client to log on to a Lync Server 2010 environment.
  • The Public Instant Messaging (IM) Connectivity (PIC) feature is enabled in the Lync Server 2010 environment.
  • User B is using a public IM client, such as Windows Live Messenger, AOL, or Yahoo. User B types in the Session Initiation Protocol (SIP) Uniform Resource Identifier (URI) of user A.
In this scenario, user B can view the status of user A, and send instant messages to user A.

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Cause

This issue occurs because the Office Communicator 2007 R2 client misinterprets a new container manifest setting. Therefore, the Lync Server 2010 server incorrectly treats user B as a colleague or as a workgroup.

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Resolution

To resolve this issue, install the following cumulative update:
2571546 Description of the cumulative update for Lync Server 2010: July 2011
After you apply the update, you must clean up the bad state for these users. To do this, click the following article number to view the article in the Microsoft Knowledge Base:
2589546  An update is available to clean up the bad state information of a user who uses an Office Communicator client to log on to a Lync Server 2010 server

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More Information

For more information about the provision PIC with Lync 2010 or Office Communications Server 2007 R2, visit the following Microsoft website:
General information about the provision PIC with Lync 2010 or Office Communications Server 2007 R2

For more information about how to enable the federation and PIC features and how to configure the routing of the inbound and outbound SIP, visit the following Microsoft website:
How to enable the federation and PIC features and how to configure the routing of the inbound and outbound SIP

For more information about the SIP URIs, visit the following Microsoft website:
General information about the SIP URIs

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Keywords: kbqfe, kbsurveynew, kbexpertiseinter, kbfix, kbhotfixrollup, kb

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Article Info
Article ID : 2577957
Revision : 2
Created on : 9/10/2018
Published on : 9/10/2018
Exists online : False
Views : 402