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Invalid Time error and Unable to Change Time Zone

Problems:

  • For some reason the time.windows.com occasionally has issues with certain programs and produce the Invalid Time error.
  • Sometimes the Time zone setting is greyed out in Windows Settings (Windows 10).

Solutions:

To solve the Invalid Time error, configure the NTP server to use time.nist.gov instead:

Control Panel - Date and Time - Internet Time - Change Settings ... - Synchronize with an Internet time server - Set server to: time.nist.gov

If your Time zone setting is greyed out in Windows Settings, use this guide to fix:

1. Change the Set time zone automatically setting and set the data value of the registry entry

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\tzautoupdate\Start

as follows:

3	Enable Set time zone automatically
4	Disable Set time zone automatically


2. Change the location setting and set the value of the registry entry

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\CapabilityAccessManager\ConsentStore\location\Value

as follows:

Allow	On
Deny	Off