The CHKDSK command incorrectly identifies certain security descriptors as not valid in Windows 2000

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Article ID: 873437 - View products that this article applies to.
Notice
This article applies to Windows 2000. Support for Windows 2000 ends on July 13, 2010. The Windows 2000 End-of-Support Solution Center is a starting point for planning your migration strategy from Windows 2000. For more information see the Microsoft Support Lifecycle Policy.
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SYMPTOMS

When you use the chkdsk command to fix hard-disk errors on your Microsoft Windows 2000-based computer, the chkdsk command may incorrectly identify problems with the security descriptors for particular files or folders.

Note These files or folders reside on volumes that are formatted with the NTFS file system.

In this scenario, you experience the following symptoms:
  • The chkdsk command line or the chkdsk /f command line reports that the security descriptors are not valid, even though the security descriptors actually are valid.
  • The chkdsk /f command line replaces the security descriptors that it detects as not valid with the default security descriptors. Therefore, permissions that you previously configured on particular files and folders are reset to use the default settings.
The following is an example of output that you may receive when you run the chkdsk command with the /f switch:
CHKDSK is verifying security descriptors (stage 3 of 3)...
Repairing the security file record segment.
Deleting an index entry with Id 261 from index $SII of file 9.
Deleting an index entry with Id 262 from index $SII of file 9.
Deleting an index entry with Id 263 from index $SII of file 9.
Deleting an index entry with Id 264 from index $SII of file 9.
Deleting an index entry with Id 265 from index $SII of file 9.
Deleting an index entry with Id 266 from index $SII of file 9.
Deleting an index entry with Id 265 from index $SDH of file 9.
Deleting an index entry with Id 261 from index $SDH of file 9.
Deleting an index entry with Id 263 from index $SDH of file 9.
Deleting an index entry with Id 266 from index $SDH of file 9.
Deleting an index entry with Id 264 from index $SDH of file 9.
Deleting an index entry with Id 262 from index $SDH of file 9.
Replacing invalid security id with default security id for file 29.
Replacing invalid security id with default security id for file 30.
Replacing invalid security id with default security id for file 35.
Replacing invalid security id with default security id for file 36.
Cleaning up 1 unused index entries from index $SII of file 9.
Cleaning up 1 unused index entries from index $SDH of file 9.
Cleaning up 1 unused security descriptors.
Fixing mirror copy of the security descriptors data stream.
Security descriptor verification completed.
Windows has made corrections to the file system.

CAUSE

This problem occurs if the following conditions are true:
  • The file's security descriptor contains an access control entry (ACE).
  • This ACE uses an ACE type that the version of the chkdsk command in Windows 2000 does not fully recognize.

RESOLUTION

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

This hotfix requires Windows 2000 Service Pack 4 (SP4).

When you install this hotfix, make sure that you also install the hotfix that is documented in the following article in the Microsoft Knowledge Base:
831375 The CHKDSK utility incorrectly identifies and deletes in-use security descriptors in Windows 2000

Restart requirement

You must restart your computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
Date         Time   Version           Size    File name
---------------------------------------------------------
19-Jun-2003  21:05  5.0.2195.6605    576,272  Autochk.exe      
17-Jul-2004  02:23  5.0.2195.6960     66,832  Ifsutil.dll      
19-Jun-2003  21:05  5.0.2195.6605     17,680  Fmifs.dll        
19-Jun-2003  21:05  5.0.2195.6625    261,392  Ulib.dll         
19-Jun-2003  21:05  5.0.2195.6660    321,296  Untfs.dll        
19-Jun-2003  21:05  5.0.2195.6605     83,216  Ufat.dll         
19-Jun-2003  21:05  5.0.2195.6625     13,584  Chkdsk.exe       
05-Jun-2004  00:13  5.0.2195.6935  5,887,488  Sp3res.dll       

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

This hotfix is included in the list of recommended hotfixes to be proactively applied to Windows 2000 server clusters. Click the following article number to view the article that contains this list in the Microsoft Knowledge Base:
895090 Recommended hotfixes for Windows 2000 Service Pack 4-based server clusters
This hotfix should be evaluated and applied proactively to all server clusters that are prone to be negatively affected by the problem that is described in this article.

For more information about how hotfix packages are named, click the following article number to view the article in the Microsoft Knowledge Base:
816915 New file naming schema for Microsoft Windows software update packages
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

Properties

Article ID: 873437 - Last Review: October 26, 2006 - Revision: 4.5
APPLIES TO
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Professional Edition
  • Microsoft Windows 2000 Advanced Server
Keywords: 
kbautohotfix kbbug kbfix kbwin2000presp5fix kbhotfixserver kbqfe KB873437

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