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Article ID: 241040 - Last Review: November 2, 2013 - Revision: 5.0

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Symptoms

When you are running Windows NT 4.0 Service Pack 4 (SP4) or Service Pack 5 (SP5) on some multiple-processor computers, Daylight Saving Time changes may not be applied for three or more hours, or until the next time you restart the computer.

Note that this behavior is not specific to any one multiple-processor computer manufacturer. It may occur on any multiple-processor computer; Microsoft has not tested every multiple-processor computer for this behavior.

Resolution

Windows NT Server or Workstation 4.0

To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual software update. For information on obtaining the latest service pack, please go to:
  • 152734  (http://support.microsoft.com/kb/152734/EN-US/ ) how to obtain the latest windows nt 4.0 service pack
For information on obtaining the individual software update, contact Microsoft Product Support Services. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:
http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS (http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS)
For your convenience, a supported software update that corrects this problem is also available from Microsoft, but it has not been fully regression tested and should be applied only to systems experiencing this specific problem. If you are not severely affected by this specific problem, Microsoft recommends that you install the latest Windows NT service pack that contains this software update.

If you are running Windows NT 4.0 Service Pack 6:

The Microsoft BIOS3 Y2K Update is installed as part of Windows NT 4.0 Service Pack 6.

If you are running Windows NT 4.0 Service Pack 4 or 5:

The following files are available for download from the Microsoft Download Center or Microsoft's FTP site. Click the file names below to download the appropriate file:
x86:
Microsoft Download Center:
Collapse this imageExpand this image
Download
Download Biosfixi.exe now (http://download.microsoft.com/download/winntsrv40/Update/3/NT4/EN-US/Biosfixi.exe)

FTP:
Collapse this imageExpand this image
Download
Download Biosfixi.exe now (ftp://ftp.microsoft.com/bussys/winnt/winnt-public/fixes/usa/NT40/hotfixes-postSP5/Y2K/BIOS3-fix/Biosfixi.exe)
Alpha:
Microsoft Download Center:
Collapse this imageExpand this image
Download
Download Biosfixa.exe now (http://download.microsoft.com/download/winntsrv40/Update/3/ALPHA/EN-US/Biosfixa.exe)

FTP:
Collapse this imageExpand this image
Download
Download Biosfixa.exe now (ftp://ftp.microsoft.com/bussys/winnt/winnt-public/fixes/usa/NT40/hotfixes-postSP5/Y2K/BIOS3-fix/Biosfixa.exe)
For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591  (http://support.microsoft.com/kb/119591/EN-US/ ) How to Obtain Microsoft Support Files from Online Services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file.

Windows NT Server 4.0, Terminal Server Edition

To resolve this problem, obtain the latest service pack for Windows NT Server version 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
152734  (http://support.microsoft.com/kb/152734/EN-US/ ) How to Obtain the Latest Windows NT 4.0 Service Pack

Status

Windows NT 4.0

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows NT 4.0 Service Pack 6.

Windows NT Server 4.0, Terminal Server Edition

Microsoft has confirmed that this is a problem in Windows NT Server 4.0, Terminal Server Edition. This problem was first corrected in Windows NT Server version 4.0, Terminal Server Edition Service Pack 6.

More information

For additional information on other fixes included in the Microsoft BIOS3 Y2K Update, click the article number below to view the article in the Microsoft Knowledge Base:
216913  (http://support.microsoft.com/kb/216913/EN-US/ ) BIOS Date Value Does Not Immediately Update on January 1, 2000

Applies to
  • Microsoft Windows NT Server 4.0 Enterprise Edition
Keywords: 
kbnosurvey kbarchive kbhotfixserver kbqfe kbbug kbfix kbgraphxlinkcritical KB241040
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