Microsoft KB Archive/241795

= XADM: DSProxy Does Not Maintain Directory Service State Information =

Article ID: 241795

Article Last Modified on 2/27/2007

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APPLIES TO


 * Microsoft Exchange 2000 Server Standard Edition

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This article was previously published under Q241795



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



SUMMARY
DSProxy does not maintain directory service state information. DSProxy issues Microsoft Outlook 2000 referrals in a round-robin fashion among the global catalog servers within a topology. DSProxy is not aware if one of these global catalog servers goes down, and continues to issue referrals to this global catalog server.



MORE INFORMATION
All Outlook 2000 users who receive a referral to this inactive global catalog server must do either of the following:

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.

 Restart Outlook 2000. -or-

 Request DSProxy to generate a new referral. When Outlook 2000 receives a referral, the name of the global catalog server is stored in the following registry key on the client:

HKEY_Current_User\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging SubSystem\Profiles\ \dca740c8c042101ab4b908002b2fe182

The fastest way to get a referral to a new global catalog server is to follow these steps:

 Quit Outlook 2000. Make sure that the MAPI spooler has stopped. (If you see "mapisp32.exe" in Task Manager, it is still active. It will stop on its own.) Delete the value stored in the preceding registry key. Restart Outlook 2000.</li></ol> </li></ul>

This forces Outlook 2000 to request DSProxy to generate a new referral. However, you may have to do this several times because there is a chance that the new acquired referral will once again be the downed global catalog server.

Keywords: kbinfo KB241795

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