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
Are Deferred Action [Messages] stamped via the MAPI client, or via the server?
Q: Are Deferred Action [Messages] stamped via the MAPI client, or via the server?A: I'm not sure how...
Author: atsim1 Date: 02/28/2007
Is there a way to run the rebasing tool in a "low risk" scenario, so that only stamped appointments are updated?
Q: Is there a way to run the rebasing tool in a "low risk" scenario, so that only stamped...
Author: atsim1 Date: 02/28/2007
Can you do something to "Auto-Accept" all appointments with in the organization from the Exchange Server or the Tool?
Q: Can you do something to "Auto-Accept" all appointments with in the organization from the Exchange...
Author: atsim1 Date: 02/28/2007
If we wait till the rebasing is done before applying the CDO patch (926666) does it still matter how much time goes by?
Q: If we wait till the rebasing is done before applying the CDO patch (926666) does it still matter...
Author: atsim1 Date: 02/28/2007
So when you run the output mode of the exchange tool and it populates the errors log, what does this signify?
Q: So when you run the output mode of the exchange tool and it populates the errors log, what does...
Author: atsim1 Date: 02/28/2007
When the Exchange wrapper is run against appointments, who will the updated dates be "from"?
Q: When the Exchange wrapper is run against appointments, who will the updated dates be "from"....
Author: atsim1 Date: 02/28/2007
Are there any issues in applying Exchange SP2 in terms of it "losing" the DST modification?
Q: We're running Exchange 2003 w/SP1 and have applied the Windows DST update and Exchange update for...
Author: atsim1 Date: 02/28/2007
Do you have to format the list for the change permissions vbscript?
Q: likewise, how does the list have to be formatted for the changepermissions vbscript?A: Once you...
Author: atsim1 Date: 02/28/2007
When running the rebasing tool, if the emails are suppressed using the new switch with the v2 tool, will the calendars be updated on the client workstations when run against a regular user mailbox?
Q: When running the rebasing tool, if the emails are suppressed using the new switch with the v2...
Author: atsim1 Date: 02/28/2007
Do the updates have to be done in close proximity?
Q: Does the OS Update on the exchange servers(step 1) have to happen in close succession to the...
Author: atsim1 Date: 02/28/2007
For accounts running Exchange rebasing, what access level do they need?
Q: For the account(s) that are running the Exchange rebasing tool. Its been communicated that they...
Author: atsim1 Date: 02/28/2007
What do users need to do to prepare for the DST patches?
Q: I am a user on an Exchange Server preparing for DST. What do I need to do or run as a user? I...
Author: atsim1 Date: 02/28/2007
Is the correct order of updates: 931836 then 926666?
Q: MS 930879 says- After you finish updating all Exchange servers in your environment w/rebasing...
Author: atsim1 Date: 02/28/2007
When one of our users accepts a meeting it is 1 hour ahead, but nothing is patched. Why is this?
Q: Following the patch on Exchange 2003, we have a user who has booked a meeting with multiple users...
Author: atsim1 Date: 02/28/2007
can we apply the actual Server OS registry changes to the Exchange servers today and wait to install the Client OS and run the rebasing tool a week from now?
Q: We have an Exchange 2000 environment, can we apply the actual Server OS registry changes to the...
Author: atsim1 Date: 02/28/2007
What happens to single instance and recurring appts that were booked with DST 2007 when you run the Exchange tool V2?
Q: What happens to single instance and recurring appts that were booked with DST 2007 when you run...
Author: atsim1 Date: 02/28/2007
If the rebasing tool is run from the server side, will it update resource calendars, such as conference rooms?
Q: If the rebasing tool is run from the server side, will it update resource calendars, such as...
Author: atsim1 Date: 02/28/2007
Does Exchange Tool V2 help to avoid breaking appts scheduled with DST 2007?
Q: Does Exchange Tool V2 help to avoid breaking appts scheduled with DST 2007?A: This functionality...
Author: atsim1 Date: 02/28/2007
Will you release a new VM with the Exchange rebasing tool?
Q: Will you release a new Virtual Machine (VM) with the new Exchange rebasing tool, and will you...
Author: atsim1 Date: 02/28/2007
Is there anyway to "Auto-Accept" any changes made by the tool run on the Exchange Server?
Q: Is there anyway to "Auto-Accept" any changes made by the tool run on the Exchange Server?A:...
Author: atsim1 Date: 02/28/2007
Has anyone successfully run the /FORCEREBASESUPPRESSALLUPDATES switch on direct book resources?
Q: Has anyone successfully run the /FORCEREBASESUPPRESSALLUPDATES switch on direct book resources. I...
Author: atsim1 Date: 02/28/2007
Will Exchange CDO patch affect Free/Busy information?
Q: From a previously answered question it would appear that the Exchange CDO patch effects calendar...
Author: atsim1 Date: 02/28/2007
When TZMove is run on the server will a user receive one prompt for each appointment?
Q: When TZmove is ran on an Exchange server and USr has an estimated 200 scheduled appointments for...
Author: atsim1 Date: 02/28/2007
If you run the Exchange tool and have updated the mailboxes, what happens if you run it again?
Q: If you run the Exchange tool and have updated the mailboxes, what happens if you run it again...
Author: atsim1 Date: 02/28/2007
Can I run the Exchange calendar update/rebasing tool without affecting the server, any calendars, users, etc.?
Q: Can I run the Exchange calendar update/rebasing tool without affecting the server, any calendars,...
Author: atsim1 Date: 02/28/2007
I get error "item not found" on a recurring appointment. What is wrong?
Q: we applied the CDO patch and ran the exchange tool last Sunday. Our IT admin assistance who was...
Author: atsim1 Date: 02/28/2007
Do you know when v2 of the CDO patch for Exchange will be released?
Q: Do you know when v2 of the CDO patch for Exchange will be released?A: The Exchange 2003 SP2 CDO...
Author: atsim1 Date: 02/28/2007
How does the CDO hotfix affect rebasing?
Q: I have a question about this new cdo hotfix for outlook...
Author: atsim1 Date: 02/28/2007
Will meeting requests be sent out for all meetings or only recurring meetings?
Q: A question about the Exchange rebase tool - will meeting requests be sent out for only recurring...
Author: atsim1 Date: 02/28/2007
Do I have to edit the .INI file for KB 930879?
Q: I read kb 930879 on the exchange calendar update tool and I'm not quite understanding whether to...
Author: atsim1 Date: 02/28/2007
Do I have to use all three update modes?
Q: do all three update modes have to be used together, or can I just use one and if so, which one is...
Author: atsim1 Date: 02/28/2007
Which of the 3 update modes in the exchange calendar update tool will go out and update the appointments on all mailboxes with the time zone changes?
Q: Which of the 3 update modes in the exchange calendar update tool will go out and update the...
Author: atsim1 Date: 02/28/2007
Once the Exchange update tool is run, and the ConflictingUsers.txt and NonExistent.txt are generated, is there a way to fix the users in those two logs?
Q: Once the Exchange update tool is run, and the ConflictingUsers.txt and NonExistent.txt are...
Author: atsim1 Date: 02/28/2007
Will 926666 remove the Send As permission?
Q: In my AD environment the Send As permission is enabled in the BlackBerry Enterprise Server...
Author: atsim1 Date: 02/28/2007
Which update mode is best for updating my client's calendars?
Q: Which of the update modes will most quickly, efficiently, and unobtrusively accomplish updating...
Author: atsim1 Date: 02/28/2007
I am getting an error when running the exchange tool.
Q: I am attempting to setup exchange calendar update tool against our test domain. But i am getting...
Author: atsim1 Date: 02/28/2007
Is DST CDO patch 926666 still going to break the Send As and Blackberry?
Q: I run Microsoft Exchange Server 2003 Service Pack 2 (SP2), I have not previously installed...
Author: atsim1 Date: 02/28/2007
Is there any negative impact to running the Exchange-side Time Zone Update Tool with the recurring only switch?
Q: We have a gap between patches and are concerned about breaking some appointments to fix others....
Author: atsim1 Date: 02/28/2007
Will I damage calendar items for those mailboxes if they're updated in the wrong time zone?
Q: Will I damage calendar items for those mailboxes if they're updated in the wrong time zone?A:...
Author: atsim1 Date: 02/28/2007
Mailboxes in the Central time zone were extracted using the msextmzcfg.exe tool and are listed as Pacific time. What would cause this discrepancy?
Q: I've been running the Exchange DST update today on all my mailboxes company-wide. Mailboxes in...
Author: atsim1 Date: 02/28/2007
The individual log says it couldn't update calendar some calendar entries. How can I identify which users this affected?
Q: Ok so the error log is empty so it didn't have any errors processing mailboxes. But in the...
Author: atsim1 Date: 02/28/2007
Is there a way to identify which users will be affected by the exchange patch before it's run?
Q: We have over 9000 mailboxes and I am looking for a quick way to identify the affected users so...
Author: atsim1 Date: 02/28/2007
How do you find the users that failed the update?
Q: I ran the DST tool on several Exchange 2003 mailboxes. How do you find the users that failed the...
Author: atsim1 Date: 02/28/2007
CDO, what is that?
Q: CDO? What's that? What "client app" uses that? How do I know if it needs to be updated?A: CDO is...
Author: atsim1 Date: 02/28/2007
The important thing to remember is to patch CDO last after running the rebasing tool for Exchange, right?
Q: OK.Blackberry is using CDO( you should mention it in the KB article) So the important thing to...
Author: atsim1 Date: 02/28/2007
Does the Time Zone on the computer I'm running the Exchange tool matter?
Q: Does the Time Zone on the computer I'm running the Exchange tool matter? Or must it match the...
Author: atsim1 Date: 02/28/2007
Will there be an issue running v2 of the Exchange tool if the Exchange patch has already been installed?
Q: Will there be an issue running v2 of the Exchange tool if the Exchange patch has already been...
Author: atsim1 Date: 02/28/2007
If the Exchange tool is used to update appointments will it generate a notification to each user for each appointment that is found with in the 4 week extended DST window?
Q: If the Exchange tool is used to update appointments will it generate a notification to each user...
Author: atsim1 Date: 02/28/2007