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Article ID: 2489816 - Last Review: March 14, 2011 - Revision: 2.0


You add a Microsoft Office Communicator user (user A) to your Office Communicator 2007 R2 contact list. You log off Office Communicator 2007 R2, and then you log back on to Office Communicator 2007 R2. However, Office Communicator 2007 R2 displays the name of user A as another Office Communicator user (user B). Additionally, the following issue occurs:
  • You cannot add user B if user A is in your Office Communicator 2007 R2 contact list.
  • User B’s name appears in the message window when you receive an instant message from user A in Office Communicator 2007 R2.
  • The contact card for user A displays the information of user B in Office Communicator 2007 R2.


This issue occurs because Office Communicator 2007 R2 does not identify user A and user B correctly if the two users have the same hash-key of their Uniform Resource Identifier (URI) in the global address list (GAL).


To resolve this issue, install the following cumulative update:
2501722  ( ) Description of the cumulative update package for Communicator 2007 R2: March, 2011


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

  • Microsoft Office Communicator 2007 R2
kbqfe kbfix kbsurveynew kbhotfixrollup kbexpertiseadvanced KB2489816
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