How to Clear Task Scheduler History in Windows

Task Scheduler in Windows tracks events for each scheduled task when the task history option is enabled for the task. The task history can be viewed by opening the task properties and clicking the History tab.

clear task scheduler history in event log

The entries are stored in the Microsoft-Windows-TaskScheduler event log. Use the instructions in this article to clear the history for all tasks.

Clear Task Scheduler History in Windows

  1. Launch the Event Viewer from the Start menu or by running the eventvwr.msc command.
  2. Navigate to the following branch in the Event Viewer: 
    Event Viewer (Local)/Applications and Services Logs/Microsoft/Windows/TaskScheduler/Operational
  3. Right-click Operational and click Clear Log…
  4. Click the Clear button.
    clear task scheduler history in event log
  5. On Windows 8, 10 and 11, you’ll also see a Maintenance category in the following location: 
    Event Viewer (Local)/Applications and Services Logs/Microsoft/Windows/TaskScheduler/Maintenance

    That can be cleared in the same way.

This erases the task scheduler history for all tasks.

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Ramesh Srinivasan is passionate about Microsoft technologies and he has been a consecutive ten-time recipient of the Microsoft Most Valuable Professional award in the Windows Shell/Desktop Experience category, from 2003 to 2012. He loves to troubleshoot and write about Windows. Ramesh founded Winhelponline.com in 2005.

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2 thoughts on “How to Clear Task Scheduler History in Windows”

  2. I need to clear the history for a SINGLE TASK that runs frequently and has created almost 20,000 events in less than a month.

    Reply

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