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Daylight Savings Time Change

Changes needed for new daylight savings time

  Technology with Integrity

By Tim Torian, Torian Group, Inc.


Daylight savings time is changing, and computers will need to be updated to handle it correctly.  Instead of April 1 DST will start March 11.  Canada is adopting the change, Mexico is not.

Because computers use the date and time to store files, set appointments, and for network security, they will need updates to handle the change.  The trouble goes beyond missed meetings and messed-up schedules to errors within time-reliant applications that are critical to a company’s business — processes such as operating room scheduling, billing and contract deadlines and ensuring record compliance, for example, could be at risk. Servers that interoperate between time zones could fail to communicate properly. Any applications dependent on timestamps will run into trouble after March 11 if actions aren’t taken.

The needed changes for Windows XP SP2 will be delivered with the regular Windows updates – just be sure to update after Feb 13th.  It is also available here:
http://support.microsoft.com/kb/931836. If you are running Windows XP without SP2, you must install SP2 to get the patch.  Windows Vista has the change built in. If you are running Windows 2000 or 98, they are unsupported. Microsoft will sell the 2000 patch for $4000, or you can make the needed changes yourself by manually editing the registry as described here:  http://support.microsoft.com/kb/914387  
More help is here: http://support.microsoft.com/kb/930688

Servers also need to be updated. Current Windows servers will get the patch as part of Windows updates, or at the link above. Again, Windows 2000 servers are unsupported. Server based software may also need updates: Microsoft Exchange (used for email), SharePoint server, Microsoft CRM, and Small Business Server.

If you use Exchange, the server and all Outlook clients can be updated using this tool: http://support.microsoft.com/kb/926666

If you use Microsoft Outlook for your calendar, you will need to use the outlook update tool. Details are here: http://support.microsoft.com/kb/931667  and here: http://office.microsoft.com/en-us/outlook/HA102086071033.aspx  

PDA’s and Smart Phones will also need updates. Vendors will be providing updates, or you can turn off automatic DST changes, and manually set the time. Blackberry users look here: http://www.blackberry.com/select/dst2007/planned_resolutions/device_impact.shtml

If you are running databases or accounting software which runs on the server (services are running, not just stored files), check with your vendor for updates. If the software uses the system clock, it will be fine.

For more information go to:

With a little preparation, you can make sure everything runs on time.

Tim Torian has taught computer networking at the College of Sequoias and Cal Poly Extension. He has a BS in Computer Science, and has been consulting on computer networking for the past 30 Years. His industry certifications include: Cisco CCNA and CCNI, Microsoft MCSE. He was recognized as Entrepreneur of the year for 2008 by the Tulare County EDC. He is president of Torian Group, Inc. which provides a full range of Technology Consulting services to local business, including computer services, networking, web and custom software development. www.toriangroup.com


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