Microsoft Daylight Saving Time and Time Zone update now available (December 2008)

The most recent cumulative updates to daylight saving time (DST) and world time zones (TZ) are now available for supported versions of the following products. For the latest DST updates on each of these products, please visit the following Microsoft Web site: Microsoft Daylight Saving Time Support page.The cumulative updates can be downloaded as indicated…

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Chile announces an extension on their Daylight Saving Time for 2008

The government of Chile announced on February 7, 2008, that their current daylight saving time will be extended in order to save energy. The new fall back date for the daylight saving period of 2007-2008 is:      Daylight saving time ends:  Last Saturday of March at 11:59:59PM Information is available via our Chilean web site…

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Questions Regarding /PHYSICALMOVE

In preparation for a potential time zone move, customers may use the Outlook Time Zone Data Update Tool with the /PHYSICALMOVE switch, which has promoted some questions as noted here: Q: Are there negative effects from running the tool multiple times on the same mailbox? (i.e., on the first pass, original time zone = Central…

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Q: What is the correct syntax when a rebasing a second calendar in a user’s mailbox?

Q: I have had this question come in from a customer around rebasing of calendars: In the Knowledgebase article KB931667: DST using Outlook TZmove, the following is stated: You can also rebase calendar items that are stored in additional calendars that may exist in a user’s mailbox. For example, a command for rebasing the items in…

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A previously cancelled Outlook meeting re-appears, and one hour off

Q: Can anyone explain the re-appearance of a cancelled meeting with a start time one hour off the original scheduled time? A previously cancelled meeting reappeared on my calendar (at the wrong time) and there are no meetings scheduled. I sent cancellation notices for an upcoming meeting that was set up before DST. A: Sometimes…

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Calendar appointments showing 1 hour later on recipients’ calendar appointments

      Symptom: Any calendaring client may show 1 hour later on a recipients’ calendar appointment (Outlook, OWA, Blackberry or Goode devices etc.).  The recipient will appear to not follow DST2007 rules.  This is true even with OS patches are successfully applied even with rebasing successfully executed.  Warning: If the system is not OS-patched or rebased successfully,…

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Time Zones not updating on Windows 2003, Windows XP or Windows 2000

After applying 931836 time zone changes don’t take effect until you manually change the time zone   Symptom:  We have isolated reports that Windows 2000, XP, and 2003 may find that their Windows clocks do not move forward for DST, even with fixes applied from 931836 or 928388.    ·         Explanation: The root cause of this issue…

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How do I find if an Outlook calendar has been rebased by the tools?

Q: How is it determined if a calendar update should be made?   A: Here are the steps on how to see if any items in a Calendar have been rebased.  This should be done only on any items that the user is the organizer for.    1.       Open MFCMapi (aka: MAPIEditor) 2.       Expand the…

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What do I ‘poof’ when appointments in OWA are off by one hour?

Q: We heard about an issue after rebasing where appointments in OWA may be off by 1 hour.  He refers to an issue when you need to delete the cached expressions (aka poof the calendar).  What is this? A: Ther are occasions when OWA and Outlook have different ideas of when recurring meetings are in…

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