Computer Hangs When You Dismount an NTFS Volume (274151)


The information in this article applies to:

  • Microsoft Windows NT Server, Enterprise Edition 4.0
  • Microsoft Windows NT Server 4.0
  • Microsoft Windows NT Workstation 4.0
This article was previously published under Q274151

SYMPTOMS

After you dismount an NTFS volume, your computer may become unresponsive, or it may stop responding (hang).

CAUSE

This problem can occur if NTFS does not release the lock to the system bitmap file-control block.

RESOLUTION

A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix should have the following file attributes or later:
   Date      Time                 Size     File name    Platform
   -------------------------------------------------------------
   11/03/00   8:32p               368,560  Ntfs.sys     x86
   11/03/00   8:30p               571,672  Ntfs.sys     Alpha

STATUS

Microsoft has confirmed that this is a problem in Windows NT 4.0.
Modification Type:MinorLast Reviewed:9/26/2005
Keywords:kbHotfixServer kbQFE kbbug kbenv kbfix KB274151
©2004 Microsoft Corporation. All rights reserved.