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Dear Valued Microsoft Customers,
 
This year Daylight Saving Time (DST) extends by approximately four weeks.  In compliance with this provision in the Energy Policy Act of 2005, DST dates in the United States and Canada will start three weeks earlier (2:00 A.M. on the second Sunday in March) and will end one week later (2:00 A.M. on the first Sunday in November).
 
In some instances, effort will be required to accommodate the new DST legislation.  For example, systems and applications may need to be updated directly, while in other circumstances the application may inherit the date and time information from the underlying system.

Microsoft is committed to helping customers that are affected by the DST changes make this transition as seamless as possible.  Microsoft is producing updates for Windows products as well as other Microsoft products affected by the new U.S. statute.  These updates will be released through technical support channels including Microsoft Customer Service & Support (CSS), as well as online channels such as Windows Update and Microsoft Update.
 
Details of the updates for Microsoft Windows and affected Microsoft applications, how customers can acquire them and when they will be available can be found on the Microsoft website at http://www.microsoft.com/dst2007.  Corresponding technical Knowledge Base articles are linked from this website as well.

Microsoft is providing the Time Zone updates at no-cost for customers on Windows platforms that are covered by Mainstream Support.  For more information on the Microsoft Support Lifecycle Policy including options available for products in Extended Support, please visit http://support.microsoft.com/lifecycle.