Unable to change the Time Zone in Windows Server 2019

Issue

Unable to change the Time Zone in Windows Server 2019 using the Windows time/date settings while using RDP or iDRAC.

Resolution

1. Click Windows Start button.
2. Right-click Windows PowerShell and run as administrator.
3. Enter: timedate.cpl
   • The date and time dialogue opens.
4. Set the Time Zone.
5. Click Apply/OK.

If you continue to see the error "Unable to continue. You do not have permissions to perform this task. Contact your computer administrator.", proceed with the following steps:

1. Click on Start.
2. Look for Command Prompt, right-click and click on Run as Administrator option.
3. To confirm the current time zone, type tzutil /g and press Enter:
4. Type tzutil /l and press Enter:
5. This will show you a list of all available time zones.
6. Note the name of time zone that you need.. 
7. Type tzutil /s “enter correct time zone” and press Enter to set,
   1. Example: Change the time zone as China: 

      tzutil /s “China Standard Time”

8. Type tzutil /g to check if the time zone was updated successfully.

Cause

When running a desktop from a Terminal Services server, we can't obtain the privilege to change the time zone. This requires elevation in order to prevent messing with the whole server. This is part of Windows Server 2019 design and is not seen as a bug.