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Disclaimer: The steps provided in this bulletin were created to mitigate the impacts that the daylight saving time changes may cause for customers in Argentina. These are the impacts primarily anticipated at the time this document was written, and the effects that customers may face are not restricted to them. The suggested actions on this document might receive additional testing. The information described in this document may change without notice. In addition, customers should be aware that further guidance will be provided at any time by Microsoft.
Special notes: There is no official decree for the DST in Argentina yet, thus the information on this bulletin may change at any time.
It is not clear or official as of October 16th 2009, what Argentina will be doing concerning the Daylight Saving time observation for 2009/2010.
In December 2008, Microsoft implemented a Daylight Saving Time rule for the Windows Operating Systems which contains the following settings for the Argentinean time zone “(GMT -3:00) Buenos Aires”:
This bulletin was written considering 2 possible scenarios, as detailed below:
There are no special instructions to transition to the daylight saving time (October 18th, 2009), for the following scenarios:
Per information on the Clarin newspaper, some Argentinean provinces will not adopt the daylight saving time as defined by the Federal government back in 2008.
The instruction for provinces that will not observe the DST in Argentina is “un-select” the DST setting "Automatically adjust clock for Daylight Saving Time" as displayed below:
Creating a script to “un-select” the “Automatically adjust clock for Daylight Saving Time” time zone setting on Windows Servers and desktop operating systems:
Note: Client computers that are within the DST-COMPUTERS organizational unit will run the startup script the next time the machine starts up, meaning all machines needs to be restarted to be able to recognize the new DST configuration via Startup script.
Please verify which of the options applies to your environment to determine the impact for Outlook clients and Exchange Servers:
For customers who will not perform any modification on their current time zone configuration, we do not foresee any impact on the Outlook client and Exchange Server.
As a precautionary measure, we do recommend users to print their calendars before the start of the Daylight Saving time on Sunday, October 18th 2009, so they can have a printed reference.
Any modification on the operating system time zone configuration, such as un-selecting the checkbox "Automatically Adjust clock for Daylight Saving Time" will cause appointments on the Outlook client to be one hour off.
The appointments affected will likely be the ones created prior to any time zone change, which occur between October 18th 2009 and March 13th 2010.
In case your Outlook calendar is affected by the DST changes, please manually modify each appointment on the affected months after the operating system time zone has been changed.
We recommend you to print your calendar before any changes are made, and then review the calendar items to make sure these items appear at the correct times. You can use this printed copy of the calendar items as a reference.
Tienen que usar Linux como hacen con Microsoft Bing, asi de facil:
sudo apt-get update ; sudo apt-get upgrade
I created a DST GPO as instructed and it work partially. The registry was updated and DST box was unchecked however the time never changed. I tried rebooting several time with no luck. I also ran net time /set /y... still no luck. W32tm /resync failed as well. I finally toggled the check box and finally the time changed. Any help would be much appreciated.