Microsoft KB Archive/174748

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Article ID: 174748

Article Last Modified on 10/28/2006


  • Microsoft Exchange Server 5.5 Standard Edition
  • Microsoft Windows NT 4.0

This article was previously published under Q174748


When you are running ESEUTIL /g on the directory store or information store, the following error may occur:

- 1022 indicating disk I/O error

This occurs when InocuLAN anti-virus software is installed on a computer running Windows NT Server 4.0 with Service Pack 3 and running Exchange 5.5. InocuLAN installs a file system filter that disables the JET engine ESE97 from addressing database files.


Perform the following to work around this problem:

  • Uninstall InocuLAN and restart your computer.

NOTE: Disabling InocuLAN does not resolve this problem.

To resolve this problem, obtain the latest service pack for Windows NT 4.0 or Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

152734 How to Obtain the Latest Windows NT 4.0 Service Pack


Microsoft has confirmed that this is a problem in Windows NT 4.0 and Windows NT Server 4.0, Terminal Server Edition. This problem was first corrected in Windows NT 4.0 Service Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition Service Pack 4.


Install the Windows NT hotfix that been released as part of the roll-up hotfixes that are recommended in the Readme.doc file for Microsoft Exchange Server, version 5.5. For your convenience, the English version of this post-SP3 hotfix has been posted to the following Internet location. However, Microsoft recommends that you install Windows NT 4.0 Service Pack 4 to correct this problem.

Note: If you later re-install Windows NT Service Packs, you must also re-install the hotfixes regardless of your responses to the Overwrite Newer Files prompts during the Service Pack installation.

Additional query words: 5.50

Keywords: kbhotfixserver kbqfe kbbug kbfix kbusage KB174748