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Setting up a Group policy to configure Time Zones based on site location.

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  • Look into the tzutil utility in Windows. Feb 10, 2016 at 0:17
  • 1
    I have read that this is not possible but if someone has an answer I would be very interested
    – tyelford
    Feb 10, 2016 at 2:22
  • 1
    @tyelford It's totally possible.
    – Honk
    Mar 10, 2016 at 20:26

1 Answer 1

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+50

Change the template host to the desired time zone, then export to a .REG .

enter image description here

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\TimeZoneInformation]
"Bias"=dword:0000012c
"DaylightBias"=dword:ffffffc4
"DaylightName"="@tzres.dll,-111"
"DaylightStart"=hex:00,00,03,00,02,00,02,00,00,00,00,00,00,00,00,00
"DynamicDaylightTimeDisabled"=dword:00000000
"StandardBias"=dword:00000000
"StandardName"="@tzres.dll,-112"
"StandardStart"=hex:00,00,0b,00,01,00,02,00,00,00,00,00,00,00,00,00
"TimeZoneKeyName"="Eastern Standard Time"
"ActiveTimeBias"=dword:0000012c

Convert the .REG to .XML

-Note:Do not use "Replace" use "update" otherwise when the host does not match a site it will default to the UTC Timezone.

.xml GPP file

Then Pasted the xml into the GPP editor enter image description here enter image description here

Setup "Item-level targting" on the properties for each time zone enter image description here After the policy applies "Some Settings are managed by your organization" will now appear on your time zone settings. After a GPupdate /force the setting are being applied to the host

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  • 1
    This nearly worked for me, I had to paste the xml file into user configuration instead of computer configuration. I could also do something similar to set 24 hour time, and the date to dd.mm.yyyy Thanks!
    – daniel
    Jan 31, 2017 at 15:25
  • On Windows 10, when this registry takes effect, the clock on the taskbar does not update. Jun 5, 2017 at 17:32

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