Error message when you try to add a user to a chat room in Lync Server 2010, Group Chat

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Article ID: 2600208
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SYMPTOMS

Consider the following scenario:
  • You deploy Microsoft Exchange Server and Lync Server 2010 Group Chat in a Lync Server 2010 environment.
  • You enable user A for Exchange Server and Lync Server 2010. For example, you assign the Simple Mail Transfer Protocol (SMTP) address of "usera@contoso.com" and the Session Initiation Protocol (SIP) address of “sip:usera@contoso.com” to user A.
  • You enable user B for Exchange Server. For example, you assign the SMTP address of “userb@contoso.com” to user B.
  • You add user A to a chat room by using the Group Chat administration tool.
  • User A signs in to the Group Chat client, and then user A chats or performs some activities in the chat room.
  • You disable user A for both Exchange Server and Office Communications Server 2007 R2, and then you remove the account from all chat rooms.
  • You change the SMTP address of user B from "userb@contoso.com" to "usera@contoso.com." You enable user B for Lync Server 2010 by using this new SMTP address and the SIP address of "sip:usera@contoso.com."
You try to add user B to a chat room by using the Group Chat administration tool:
Unable to save the member list: [3] [322] Role <Member> for <ma-chan://contoso.com/a9844a0d-528c-42aa-a4aa-70f5dcc2ed49> already contains >These principals are already defined on the node: <sip:usera@contoso.com>

CAUSE

This issue occurs because the entry for user A is removed unexpectedly in the Group Chat database after you disable user A for Lync Server 2010.

RESOLUTION

To resolve this issue, install the following cumulative update:
2514984 Description of the update for Lync Server 2010 Group Chat: November 2011


Note You must delete the old account in Active Directory Domain Services (AD DS) before you install the update.

Properties

Article ID: 2600208 - Last Review: December 9, 2011 - Revision: 2.0
Keywords: 
kbqfe kbfix kbhotfixrollup kbsurveynew kbexpertiseadvanced KB2600208

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