Microsoft KB Archive/934110

= An update is available for Subsystem for UNIX-based Applications in Windows Server 2003 R2 that addresses daylight saving time changes in 2007 =

Article ID: 934110

Article Last Modified on 11/1/2007

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APPLIES TO


 * Microsoft Windows Server 2003 R2 Enterprise Edition (32-Bit x86)
 * Microsoft Windows Server 2003 R2 Enterprise x64 Edition
 * Microsoft Windows Server 2003 R2 Datacenter Edition (32-Bit x86)
 * Microsoft Windows Server 2003 R2 Datacenter x64 Edition
 * Microsoft Windows Server 2003 R2 Standard Edition (32-bit x86)
 * Microsoft Windows Server 2003 R2 Standard x64 Edition

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Important The update that this Microsoft Knowledge Base article has been replaced by the update that Microsoft Knowledge Base articles 942894 and 942878 describe. To make sure that Microsoft Windows has the latest time zone data, install the update that Microsoft Knowledge Base articles 942894 and 942878 describe, according to the product that you have.

You do not have to uninstall the update that this Microsoft Knowledge Base article describes before you install the update that Microsoft Knowledge Base articles 942894 and 942878 describe. Check the applicable version numbers of the product that you have before you download the update.

For more information, click the following article numbers to view the articles in the Microsoft Knowledge Base:

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 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



The 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 the &quot;extended DST period.&quot; For more information, visit the following Microsoft Web site:

http://support.microsoft.com/gp/dst_topissues



INTRODUCTION
An update for DST changes in 2007 is now available for computers that are running Subsystem for UNIX-based Applications (SUA) in Microsoft Windows Server 2003 R2.



Software update information
In 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.

A time zone update for DST that will address this issue for Subsystem for UNIX-based Applications in Windows Server 2003 R2 is now available. This update modifies the Windows-to-Portable Operating System Interface (POSIX) time zone mapping that is built in to Subsystem for UNIX-based Applications.

A supported update is now available from Microsoft. However, it is intended to correct only the problem that is described in this article. Apply it only to systems that are experiencing this specific problem. This update may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Windows Server 2003 service pack that contains this update.

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

http://support.microsoft.com/contactus/?ws=support

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.

Prerequisites
To apply this update, you must have the following installed:  One of the following service packs:  Microsoft Windows Server 2003 Service Pack 1 (SP1) Microsoft Windows Server 2003 Service Pack 2 (SP2)

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

889100 How to obtain the latest service pack for Windows Server 2003

 Subsystem for UNIX-based Applications The hotfix that is mentioned in the following Microsoft Knowledge Base article:

932143 A hotfix is available for Microsoft Windows Services for UNIX and Subsystem for UNIX-based Applications that addresses the change to daylight saving time in 2007

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Restart requirement
You must restart the computer after you apply this update.

Update replacement information
This update does not replace any other updates.

File information
The 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 Server 2003 R2, 64-bit x64 versions
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STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

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MORE INFORMATION
For more information about software update terminology, 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

Additional query words: SFU

Keywords: kbbug kbfix kbhotfixserver kbqfe kbpubtypekc KB934110

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