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Q316772: XADM: Cluster Registry Checkpoint Event ID 1024 Err Mssg Logged

Article: Q316772
Product(s): Microsoft Exchange
Version(s): 4.0,5.5
Operating System(s): 
Keyword(s): kbenv kbtool exc55
Last Modified: 06-AUG-2002

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The information in this article applies to:

- Microsoft Exchange Server, version 5.5 
- Microsoft Windows NT Server, Enterprise Edition version 4.0 
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SYMPTOMS
========

If an Exchange Server 5.5 computer is running in a Windows NT Server 4.0
cluster, an error message may be logged in the System event log that is similar
to:

  Event ID: 1024
  Source: ClusSvc
  Type: Error
  Category: (64)
  Description: The registry checkpoint for cluster resource Microsoft Exchange
  Internet Mail Service could not be restored to registry key
  HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeIMC. The
  resource may not function correctly. Make sure that no other processes have
  open handles to registry keys in this registry subtree.


CAUSE
=====

This issue may occur if the registry key for that resource is being used. The
Winlogon.exe locks the following registry keys:

- HKEY_LOCAL_MACHINE\System\ControlSet001\Services\MSExchangeIMC\Diagnostics

- HKEY_LOCAL_MACHINE\System\ControlSet001\Services\MSExchangeIS\ParametersSystem

- HKEY_LOCAL_MACHINE\System\ControlSet001\Services\MSExchangeIMC\Parameters

Even after you quit the Exchange Server Administrator program, Winlogon keeps
these registry keys locked. Therefore, when you take the cluster offline, and
then bring it online again, Exchange Server cannot write the registry checkpoint
because Winlogon has the keys locked.

RESOLUTION
==========

To resolve this issue, obtain the Windows NT 4.0 Security Rollup Package. For
additional information, click the article number below to view the article in
the Microsoft Knowledge Base:

  Q299444 Post-Windows NT 4.0 Service Pack 6a Security Rollup Package (SRP)

The English-language version of this fix should have the following file
attributes or later:

  Date          Time    Size      File name      Platform
  -------------------------------------------------------
  04-APR-2000   00:46   135,440   Services.exe   Intel
  04-APR-2000   00:46   192,272   Winlogon.exe   Intel
  04-APR-2000   00:45   249,104   Services.exe   Alpha
  04-APR-2000   00:45   275,216   Winlogon.exe   Alpha

For additional information, click the article number below to view the article in
the Microsoft Knowledge Base:

  Q259042 Handle Leak in WinLogon After Applying Windows NT 4.0 SP6





Additional query words:

======================================================================
Keywords          : kbenv kbtool exc55 
Technology        : kbWinNTsearch kbWinNT400search kbWinNTSsearch kbWinNTSEntSearch kbWinNTSEnt400 kbWinNTS400search kbExchangeSearch kbExchange550 kbZNotKeyword2
Version           : :4.0,5.5
Issue type        : kbprb

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