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I have attempted to create a scheduled task to start the w32_time task when I log on, since my windows installation - seems to want to ignore that real dst settings for my locale when I reboot - and I have to force a time update to get the clock right.

My user is an Admin user - and I can run the task manually from the an administrator command prompt.

In the scheduled task it has 'Run with highest privileges' set on - but the task fails with return code 2147943456 - which as far as I can tell means Access Denied; I am assuming this is due to a privelege issue.

This happens regardless of 'Run when user is logged on' is set or not.

If this matters; the task is scheduled to run when a user logs in.

DavidPostill
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Tony Suffolk 66
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3 Answers3

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An (untested) idea: Try making a shortcut icon to run the program, and have the shortcut icon run with UAC elevation; then have Task Scheduler run that shortcut.

TOOGAM
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So I've had these issues before and had to go back to my notepad to find the references, that helped explain things for me. This isn't specifically for Windows 10, but it may help answer some of the things that happen behind the scenes and it provides some tips to "debug" what's happening.

https://blogs.technet.microsoft.com/askperf/2015/02/18/help-my-scheduled-task-does-not-run/ by Blake Morrison in Windows Server Performance Team

ConceptRat
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I had the same problem trying to sync on startup. Looked everywhere. Eventually I learned enough to succeed, but not from any single source. I hope this will help those looking for answers.

  • Run Task Scheduler as admin:

    • right-click "taskschd.msc" in "C:\Windows\System32" and choose Run as Admin.

  • Create basic task: in "Task Scheduler Library -> Microsoft -> Windows -> Time Synchronization"

    • right-click to choose "Create Basic Task".
    • Follow the instructions and choose what you intend to do: Start a program "C:\Windows\System32\w32tm.exe".
    • Add arguments: "/resync" (without quotes, of course).

  • In Properties of your created basic task:

    • Choose "Change User or Group".
    • Where it says "Enter the object name to select", type in "LOCAL SERVICE".
    • It'll be changed to "nt authority/local service". Click OK.
    • It'll be shown as "LOCAL SERVICE" just like other Windows 10 tasks.
    • Check "whether user is logged on or not" and check "Run with highest privileges".
    • Check Configure for: "Windows 10".

    This is how you run scheduled task as admin!

  • Under Conditions, check "Start only if the following network connection is available: any connection".

    • Check each tab to be sure they are configured the way you want.
Stephen Rauch
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Aviator1213
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