Auto Time Zone Updater (tzautoupdate) Service Defaults in Windows 10

Automatically sets the system time zone.

Default Settings

Startup type:
Windows 10 Home 1507N/A
Windows 10 Pro 1507N/A
Windows 10 Education 1507N/A
Windows 10 Enterprise 1507N/A
Windows 10 Home 1511Manual
Windows 10 Pro 1511Manual
Windows 10 Education 1511Disabled
Windows 10 Enterprise 1511Manual
Windows 10 Home 1607Disabled
Windows 10 Pro 1607Disabled
Windows 10 Education 1607Disabled
Windows 10 Enterprise 1607Disabled
Windows 10 Home 1703Disabled
Windows 10 Pro 1703Disabled
Windows 10 Education 1703Disabled
Windows 10 Enterprise 1703Disabled
Windows 10 Home 1709Disabled
Windows 10 Pro 1709Disabled
Windows 10 Education 1709Disabled
Windows 10 Enterprise 1709Disabled
Display name:Auto Time Zone Updater
Service name:tzautoupdate
Service type:share
Error control:normal
Object:NT AUTHORITY\LocalService
Path:%SystemRoot%\system32\svchost.exe -k LocalService -p
File:%SystemRoot%\system32\tzautoupdate.dll
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\tzautoupdate
Privileges:
  • SeAuditPrivilege
  • SeChangeNotifyPrivilege
  • SeCreateGlobalPrivilege
  • SeSystemTimePrivilege
  • SeTimeZonePrivilege

Default Behavior

Auto Time Zone Updater is a Win32 service. It is starting only if the user, an application or another service starts it in Windows 10 Home 1511, Windows 10 Pro 1511, Windows 10 Enterprise 1511. This service is disabled in Windows 10 Education 1511, Windows 10 Home 1607, Windows 10 Pro 1607, Windows 10 Education 1607, Windows 10 Enterprise 1607, Windows 10 Home 1703, Windows 10 Pro 1703, Windows 10 Education 1703, Windows 10 Enterprise 1703, Windows 10 Home 1709, Windows 10 Pro 1709, Windows 10 Education 1709, Windows 10 Enterprise 1709. When the Auto Time Zone Updater service is started, it is running as NT AUTHORITY\LocalService in a shared process of svchost.exe along with other services. If Auto Time Zone Updater fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the tzautoupdate service has failed to start due to the error.

Restore Default Startup Configuration for Auto Time Zone Updater

1. Run the Command Prompt as an administrator.

2. Depending on the version of your operating system, copy the commands below, paste them into the command window and press ENTER.

For Windows 10 1511 Home, Windows 10 1511 Pro, Windows 10 1511 Enterprise:
sc config tzautoupdate start= demand

For Windows 10 1511 Education, Windows 10 1607 Home, Windows 10 1607 Pro, Windows 10 1607 Education, Windows 10 1607 Enterprise, Windows 10 1703 Home, Windows 10 1703 Pro, Windows 10 1703 Education, Windows 10 1703 Enterprise, Windows 10 1709 Home, Windows 10 1709 Pro, Windows 10 1709 Education, Windows 10 1709 Enterprise:
sc stop tzautoupdate
sc config tzautoupdate start= disabled

3. Close the command window and restart the computer.

The tzautoupdate service is using the tzautoupdate.dll file that is located in the %WinDir%\system32 folder. If the file is changed, damaged or deleted, you can restore its original version from Windows 10 installation media.