Microsoft KB Archive/196171

= XADM: Incorrect Attempt to Update KMS during Exchange Server 5.5 Service Pack 1 Update =

Article ID: 196171

Article Last Modified on 10/27/2006

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APPLIES TO


 * Microsoft Exchange Server 5.5 Service Pack 1

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This article was previously published under Q196171



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
If a previous install of Exchange Server versions 4.0 or 5.0 had the Key Management Server (KM Server) installed on it, and the Exchange Server installation was then uninstalled using Setup, while the KM Server was uninstalled by manually deleting the directory, a registry entry for the KM Server is left behind.

If you were to now install Exchange Server version 5.5 without the KM Server, and then try to run the Exchange Server 5.5 Service Pack 1 update, the upgrade will incorrectly attempt to upgrade the KM Server.



WORKAROUND
To work around this problem, to delete the MSExchangeKMS service registry entry using Regedt32. The steps are listed below.

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.

 Start Registry Editor (Regedt32.exe).  Locate the the following key in the registry:      HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeKMS  Delete this key. Quit Registry Editor.</ol>

<div class="status_section">

STATUS
Microsoft has confirmed this to be a problem in the Setup component of Exchange Server version 5.5 Service Pack 1.

Keywords: kbbug kbnofix KB196171

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