Software
Getting systems ready for daylight-saving changes.
Daylight-saving time starts on the second Sunday in March this year instead of on the first Sunday in April as it used to. What steps do we need to take to avoid trouble with our computers and networks because of this change?
Check with your hardware and software vendors to find out whether you need to upgrade or install patches to change the built-in time zone rules for the daylight-saving time transition. You can find information about updating the time zone definitions for Windows desktop and server systems here. The updates available for Windows XP and Windows 2003 server are described in a Microsoft Knowledge Base story. Sun is providing a time zone updater for older Java platform development kits and runtime environments. Cisco describes which IOS versions require intervention in Field Notice FN-62613. If your Cisco IOS version cannot be upgraded to a recent version with new time zone definitions, you can use the 'set clock summertime' command to define when to start and stop daylight-saving time. Mac users should update Mac OS X to Version 10.4.6 or later. In addition to these and any calendaring systems in use, network authentication and network time services should be updated and watched carefully over the daylight-saving time transition to make sure any related problems are avoided or minimized.
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