How to apply time zone change in AD to User machines


Time zone changes need to be made in the AD server first. After that do the following steps



1. On the AD server, click Start, click Run, type regedit, and then click OK. 

2. Expand the following registry subkey:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Time Zones

3. Click the tiem zone that was changed, and then click Export Registry File on the Registry menu.

4. In the Save in box, click Desktop, type timezones in the File name box, and then click Save. 

5. Expand the following registry subkey:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\TimeZoneInformation

6. Click TimeZoneInformation, and then click Export Registry File on the Registry menu.

7. In the Save in box, click Desktop, type tzinfo in the File name box, and then click Save. 

8. Quit Registry Editor.

9. Copy the Timezones.reg and Tzinfo.reg files that you created in step 4 and in step 7.

10. Put the files that you copied on to the computer whose time zone settings you want to update with the new daylight-saving time dates. This computer is known as the destination computer. 

11. On the destination computer, double-click the Timezones.reg file. 

12. Click Yes when you are prompted to add information to the registry. 

13. Click OK when you receive the message that the information was successfully entered in the registry. 

14. On the destination computer, double-click the Tzinfo.reg file. 

15. Click Yes when you are prompted to add information to the registry. 

16. Click OK when you receive the message that the information was successfully entered in the registry. 

17. Restart the computer.

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