Microsoft KB Archive/274371

= Disk I/O Hangs in Scsiport.sys During Heavy Disk I/O Stress =

Article ID: 274371

Article Last Modified on 2/21/2007

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APPLIES TO


 * Microsoft Windows 2000 Service Pack 1
 * Microsoft Windows 2000 Service Pack 2
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Service Pack 1
 * Microsoft Windows 2000 Service Pack 2
 * Microsoft Windows NT Server 4.0 Standard Edition
 * Microsoft Windows NT Server 4.0 Enterprise Edition
 * Microsoft Windows NT Workstation 4.0 Developer Edition

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This article was previously published under Q274371



SYMPTOMS
Disk input/output (I/O) may stop working (hang) during periods of heavy disk I/O stress when the SCSI_PASSTHROUGH command in Scsiport.sys is used.



Windows NT
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 has the file attributes (or later) 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   Size    File name     Platform --  20-Sep-2000  21:37  35,568  Scsiport.sys  x86 20-Sep-2000 21:36  56,592  Scsiport.sys  Alpha

Windows 2000
To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910 How to Obtain the Latest Windows 2000 Service Pack

The English version of this fix has the file attributes (or later) 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 ---  30-Nov-2000  20:04  5.0.2195.3042  72,688  Scsiport.sys



Windows NT
Microsoft has confirmed that this is a problem in Windows NT 4.0.

Windows 2000
Microsoft has confirmed that this is a problem in Windows 2000. This problem was first corrected in Windows 2000 Service Pack 3.

Keywords: kbbug kbfix kbqfe kbwin2000sp3fix kbhotfixserver KB274371

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