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Dear Valued Microsoft Customer,

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 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

Further Assistance

Microsoft values your business. For more information visit, or contact Microsoft for assistance. A list of phone numbers is located at Microsoft Premier Customers may engage their Technical Account Manager directly.

Please DO NOT REPLY to this email as this is not a monitored inbox. If you have questions/inquiries please visit

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TSF Team Emeritus, Articles Team
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Daylight-Saving-Time Customer Letter

The following is an extract from a customer-facing letter to explain Microsoft’s planning and activity related to the US Energy Policy Act of 2005. The full document can be found attached to this post.

Based on customer feedback and the level of impact the DST 2007 changes are having on our customers, Microsoft has decided to amend the regular Extended Hotfix Support program to add a new pricing category for Extended Support for those non-security hotfixes with a wide customer demand. This new pricing category will be applied to the daylight saving time hotfixes (DST 2007).

DST 2007 hotfix summary:

• DST 2007 hotfixes for products in Mainstream Support remain available at no charge. Customers should continue to visit the web site where all public information is posted as available:

• For products in Extended Support customers can follow the detailed instructions documented in Knowledge Base article 914387 and similar articles for countries outside of the U.S. and Canada. You can also view the on-demand WebCast describing the Windows 2000 update process at:

• Customers with products in Extended Support that prefer to patch their systems via the hotfixes can purchase the set of all available DST 2007 hotfixes for a single fee of $4,000 for all affected Microsoft products in Extended Support. This change applies to products like Microsoft Windows® 2000 that have been in Extended Support since June of 2005.

• Customers who require technical assistance on DST 2007 can contact their Technical Account Manager or they may contact Customer Service and Support (CSS) directly and receive a technical support incident at no charge.

• For customers who have previously purchased DST 2007 hotfixes, Microsoft will reimburse the difference to them under the new pricing category.

More information on 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 Corresponding Technical Knowledge Base Articles are linked to from this website as well.


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