XIMS: Chat Portal Link Incorrectly Propagates MIC Channel Names (243925)


The information in this article applies to:

  • Microsoft Exchange Server 5.5 SP1
  • Microsoft Exchange Server 5.5 SP2
  • Microsoft Exchange Server 5.5 SP3
  • Microsoft Commercial Internet System 2.5
  • Microsoft Commercial Internet System 2.0
This article was previously published under Q243925
IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows Registry

SYMPTOMS

The channel name created by the Microsoft Internet Chat (MIC) client on one chat server in the chat network is not propagated correctly to the other servers. If a channel name is created as "test", then it is listed as "%#test" on the other chat servers.

RESOLUTION

To resolve this problem, obtain the latest service pack for Exchange Server 5.5. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

191014 XGEN: How to Obtain the latest Exchange Server 5.5 Service Pack

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Exchange Server 5.5 Service Pack 4.

MORE INFORMATION

WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

After you install Exchange Server 5.5 Service Pack 3 chat service on the servers and replace Chatsvc.exe with the above hotfix, and after you create a portal, you must add the following registry key under the portal's entry to change the behavior described in the "Symptoms" section. To do this, perform the following steps on each server in the chat network:
  1. Start Registry Editor (Regedt32.exe).
  2. Locate the following key in the registry:

    HKEY_LOCAL_MACHINE\Software\Microsoft\Exchange\ChatSvc\Parameters\Portals\portalname

  3. On the Edit menu, click Add Value, and then add the following registry value:

    Value Name: Use 2.0 Channel Names
    Data Type: REG_DWORD
    Value: 1

  4. Quit Registry Editor.
  5. Restart the chat service.
Modification Type:MinorLast Reviewed:9/22/2005
Keywords:kbHotfixServer kbQFE kbbug kbExchange550preSP4fix kbExchange550sp4Fix kbfix kbQFE KB243925 kbAudDeveloper
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