Article ID: 934111 - Last Review: November 1, 2007 - Revision: 4.3 An update is available for Subsystem for UNIX-based Applications in Windows Vista that addresses daylight saving time changes in 2007
Important The update that is described in this Microsoft Knowledge Base article has been replaced by the update that is described in Microsoft Knowledge Base articles 942894 and 942878. To make sure that Microsoft Windows has the latest time zone data, apply the appropriate update that is described in Microsoft Knowledge Base articles 942894 and 942878. You do not have to uninstall the update that is described in this Microsoft Knowledge Base article before you apply the update that is described in Microsoft Knowledge Base articles 942894 and 942878. Check the applicable version numbers of the product that you have before you download the fix. For more information, click the following article numbers to view the articles in the Microsoft Knowledge Base: 942894
(http://support.microsoft.com/kb/942894/
)
An update that addresses the change to daylight saving time in 2007 is available for Windows Server 2003 R2-based computers and for Windows Vista-based computers that are running Subsystem for UNIX-based Applications
942878
(http://support.microsoft.com/kb/942878/
)
A hotfix that addresses the change to daylight saving time in 2007 is available for Windows Services for UNIX and for Subsystem for UNIX-based Applications
On This PageThe U.S. Energy Policy Act of 2005 was passed by the United States Congress in July, 2005. This Act extended daylight saving time (DST) in the United States by approximately four weeks. Therefore, beginning in 2007, DST will start three weeks earlier on March 11, 2007, and will end one week later on November 4, 2007. The new DST period is four weeks longer than previously observed. These four weeks are referred to as the "extended DST period." For more information, visit the following Microsoft Web site: http://support.microsoft.com/gp/dst_topissues
(http://support.microsoft.com/gp/dst_topissues)
INTRODUCTIONAn update for DST changes in 2007 is now available for computers that are running Subsystem for UNIX-based Applications (SUA) in Windows Vista. Note Subsystem for UNIX-based Applications is available in the following versions of Windows Vista:
MORE INFORMATIONService pack informationTo resolve this problem, obtain the latest service pack for Windows Vista. For more information, click the following article number to view the article in the Microsoft Knowledge Base:935791
(http://support.microsoft.com/kb/935791/
)
How to obtain the latest Windows Vista service pack
Hotfixes and security updates that are included in SP2 for Windows Vista Service and for Windows Server 2008For more information about the hotfixes and the security updates that are included in SP2 for Windows Vista and for Windows Server 2008, visit the following Microsoft TechNet Web site: -http://technet.microsoft.com/en-us/library/dd335033.aspx
(http://technet.microsoft.com/en-us/library/dd335033.aspx)
Note:
Currently, the list of hotfixes and security updates is available only in English.
Software update informationIn the spring of 2007, the start date and the end date for DST in the United States will change to comply with the Energy Policy Act of 2005. The dates will change as follows.Collapse this table
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. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix. 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, contact 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
(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.PrerequisitesTo apply this update, you must have the following installed:
Restart requirementYou must restart the computer after you apply this hotfix.Update replacement informationThis update does not replace any other updates.File informationThe English version of this update 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 item in Control Panel.Windows Vista, 32-bit versionsCollapse this table
Windows Vista, 64-bit versionsCollapse this table
STATUSMicrosoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. MORE INFORMATION
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684
(http://support.microsoft.com/kb/824684/
)
Description of the standard terminology that is used to describe Microsoft software updates
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