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Microsoft Daylight Saving Time & Time Zone Blog

This is the blog maintained by staff at Microsoft to provide general information, announcements and provide answers to Frequently Asked Questions (FAQs) related to daylight saving time (DST) and time zone (TZ) changes around the world.* Important Notice

Do you advise admins to create a new admin account to run the rebasing tool?

Q: On permissions to do the rebasing - someone (somewhere) alluded to a permissions problem with...

Author: atsim1 Date: 02/28/2007

How can I tell if I'm using AAA?

Q: I'm unsure if we are using Auto Accept Agent for reserving conference rooms. We're Exch2K3 and...

Author: atsim1 Date: 02/28/2007

How do you set a "Conflict Level?"

Q: As far as setting Conflict Level to 3 for 'Auto Accept Agent'. How is that done? I do not see...

Author: atsim1 Date: 02/28/2007

The documentation doesn't mention "Conflict Level." Do I need to set it?

Q: Are there any recommendation for users of 'Auto Accept Agent'? I read about setting 'Conflict...

Author: atsim1 Date: 02/28/2007

I don't know if we're using Auto Accept Agent. How can I tell?

Q: I'm unsure if we are using Auto Accept Agent for reserving conference rooms. We're Exchange 2K3...

Author: atsim1 Date: 02/28/2007

I'm getting error message on all mailboxes using the Exchange tool.

Q: I'm trying to run the DST Exchange Time zone update tool and I'm getting the following on all...

Author: atsim1 Date: 02/28/2007

I uninstalled the Exchange tool wrapper for Virtual PC but the new tool still thinks it's installed. What can I do?

Q: I have downloaded the Virtual PC's but when I uninstall the Exchange tool wrapper and try to...

Author: atsim1 Date: 02/28/2007

Text files generated by MSEXTMZ v2 are missing some characters. Is this normal?

Q: After running the MSEXTMZCFG (V2) my txt files with the mailboxes that will be update are missing...

Author: atsim1 Date: 02/28/2007

MSEXTMZ is giving me errors: 0x8004011C

Q: I'm having some problems running the MSExTmz tool. I've patched my Exchange 2003 SP1 with the os...

Author: atsim1 Date: 02/28/2007

Should we complete rebasing before applying the CDO patch?

Q: Our users have had the OS DST patch applied and are running the Outlook Update tool thru the...

Author: atsim1 Date: 02/28/2007

I'm getting errors in the logs for MSExTMZ tool: Unable Open mailbox - 0x8004011C

Q: I'm having some problems running the MSExTmz tool. I've patched my Exchange 2003 SP1 with the os...

Author: atsim1 Date: 02/28/2007

When Tzmove is run on the exchange server will the user be requested to modify every single changed appointment?

Q: When TZmove is ran on an Exchange server and User has an estimated 200 scheduled appointments for...

Author: atsim1 Date: 02/28/2007

Is there going to be an updated exchange rebasing tool that will not incorrectly rebase appoints created post client patch but pre-rebase?

Q: Is there going to be an updated exchange rebasing tool that will not incorrectly rebase appoints...

Author: atsim1 Date: 02/28/2007

Will there be a new version of the exchange tool?

Q: There is some confusion as to whether there will be a new version of the Exchange tool. Yes or...

Author: atsim1 Date: 02/28/2007

How should a list of successful instals be formatted for the exchange tool?

Q: Regarding the Exchange tool: I have my desktop team deploying the DST patch now and I'm going to...

Author: atsim1 Date: 02/28/2007

Even though I am a user on an Exchange server, do I have to run the TZMove.exe tool?

Q: Even though I am a user on an Exchange server, do I have to run the TZMove.exe tool?A: As a user,...

Author: atsim1 Date: 02/28/2007

Q: In order to prevent the Exchange tool from breaking appts shouldn’t the recommended order be to...

Author: atsim1 Date: 02/28/2007

If you've run Version 1 should you re-run V2?

Q: If you've run Version 1 should you re-run V2?A: No, there isn't a need to

Author: atsim1 Date: 02/28/2007

We're about to patch exchange, should we wait for the next tool?

Q: We became concerned when the recommended approach seemed to have changed. We have patched all...

Author: atsim1 Date: 02/28/2007

Will there be an automated fix for updating Resource calendars?

Q: Will there be an automated fix for updating Resource calendars?A: At this time there is...

Author: atsim1 Date: 02/28/2007

Some clients are patched and all servers are. Can we run the exchange patch now?

Q: We have a very large geographic deployment. We have pushed some of the client updates out to both...

Author: atsim1 Date: 02/28/2007

What is the quickest way to run the exchange update against outlook users automatically?

Q: I'm trying to run the exchange DST calendar update tool against all outlook users to...

Author: atsim1 Date: 02/28/2007

What is CDO?

Q: What is CDO?A: CDO is an object library that exposes the interfaces of the Messaging Application...

Author: atsim1 Date: 02/28/2007

Do your current recommendations on patch order conflict your previous recommendations?

Q: You now recommend to rebase calendars prior to installing 926666 Exchange CDO patch. Doesn’t that...

Author: atsim1 Date: 02/28/2007

Q: What is the logic behind the change in recommended Steps?A: There were some suggested changes for...

Author: atsim1 Date: 02/28/2007

Has the ordered of running tools been reversed?

Q: I have a question about using the Exchange rebasing tool version 2. For the previous release of...

Author: atsim1 Date: 02/28/2007

Could you confirm the exact order of patching?

Q: Could you confirm the exact order of patching? Is there some standard to work off of?A:...

Author: atsim1 Date: 02/28/2007

When you run tzmove.exe /extract, it creates a catalog folder, is this needed when using GP to deploy?

Q: when you run tzmove.exe /extract, it creates a catalog folder, is this needed when using GP to...

Author: atsim1 Date: 02/28/2007

After running the rebasing tool, what are the messages/prompts that could display for users when they open Outlook (Exchange 2003, Outlook 2003) with regards to meetings where they are or are not the organizer?

Q: After running the rebasing tool, what are the messages/prompts that could display for users when...

Author: atsim1 Date: 02/28/2007

Is there any harm to updating a non-US mailbox via the Outlook calendar update tool?

Q: Is there any harm to updating a non-US mailbox via the Outlook calendar update tool?A: Note that...

Author: atsim1 Date: 02/28/2007

have run the Outlook update tool but it's still off by one hour. Is there a way to fix this?

Q: I have a recurring appointment that someone else created through an invitation and it is ahead by...

Author: atsim1 Date: 02/28/2007

Does the rebasing tool v2 work on Calendar's in Public Folders?

Q: Does the rebasing tool v2 work on Calendar's in Public Folders?A: The current tools require you...

Author: atsim1 Date: 02/28/2007

If I run the rebasing tool (client or server) multiple times, will single instance appointments be moved more than once?

Q: If I run the rebasing tool (client or server) multiple times, will single instance appointments...

Author: atsim1 Date: 02/28/2007

Is the "safest" thing to do is allow the users to check and rebase their delta apps manually?

Q: It sounds like, based on recommendations, is that the "safest" thing to do is allow the users to...

Author: atsim1 Date: 02/28/2007

I do not want my users getting nailed with 4000 update notifications. Can we avoid that?

Q: I do not want my users getting nailed with 4000 update notifications. Can we avoid that? HOW?A: I...

Author: atsim1 Date: 02/28/2007

How can i turn off the email notifications after running the rebase?

Q: how can i turn off the email notifications after running the rebase?A: Currently, you cannot -...

Author: atsim1 Date: 02/28/2007

Are there any plans to make an MSI version of TZMove.EXE that can be deployed via Group Policy?

Q: Are there any plans to make an MSI version of TZMove.EXE that can be deployed via Group Policy?A:...

Author: atsim1 Date: 02/28/2007

Is there a "quiet" option for "Public folders" rebasing?

Q: Is there a "quiet" option for "Public folders" rebasing; If so, how do you specify the time zone...

Author: atsim1 Date: 02/28/2007

What compelling reason would there be for waiting for the tzmove update, specifcially what part of the tool are they changing?

Q: What compelling reason would there be for waiting for the tzmove update, specifcially what part...

Author: atsim1 Date: 02/28/2007

Can we get an official answer on single instance appointments and what to tell our users?

Q: Can we get an official answer on single instance appointments and what to tell our users? I was...

Author: atsim1 Date: 02/28/2007

Is there an MSI version of TZMove.EXE that can be deployed via Group Policy?

Q: Is there an MSI version of TZMove.EXE that can be deployed via Group Policy? Our users are locked...

Author: atsim1 Date: 02/28/2007

How ca you deploy TZMove.exe via script or group policy?

Q: How ca you deploy TZMove.exe via script or group policy?A: You can use either a login script or...

Author: atsim1 Date: 02/28/2007

Why won't the Outlook Time Zone Update Tool install on Windows XP Service Pack 1?

Q: Why won't the Outlook Time Zone Update Tool install on Windows XP Service Pack 1? Is there any...

Author: atsim1 Date: 02/28/2007

If a user has an appointment that they are not the organizer of, will it get changed using the Exchange calendar update tool?

Q: If a user has an appointment that they are not the organizer of, will it get changed using the...

Author: atsim1 Date: 02/28/2007

Is there a way to script the deployment of the TZMove.exe tool to the local Outlook 2003 clients?

Q: Is there a way to script the deployment of the TZMove.exe tool to the local Outlook 2003...

Author: atsim1 Date: 02/28/2007

The new version generates errors the old version didn't. What is going on?

Q: Using the "new" 930879" KB (2-22-07), I generated 3761 entries in the error.txt file and 3770 in...

Author: atsim1 Date: 02/28/2007

TZMove only rebases the calendar items, right?

Q: As I tested with messages, Outlook 2007 in Vista displays the wrong sent datetime for the message...

Author: atsim1 Date: 02/28/2007

Do I need to be concerned with time zones on the exchange servers in a lab?

Q: I am testing in a lab. Do I need to only be concerned with the Time Zones the Exchange Servers...

Author: atsim1 Date: 02/28/2007

Is the client side Outlook tool on their machines the only way to fix their issues?

Q: is the client side Outlook tool on their machines the only way to fix their issues? I would like...

Author: atsim1 Date: 02/28/2007

Are e-mails and other files from the last three weeks of March impacted?

Q: So, I read the information on your website about the Outlook tool, which moves meetings that...

Author: atsim1 Date: 02/28/2007

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