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Task Scheduler (Windows)

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description Task Scheduler (Windows) Overview

Task Scheduler is a built-in system utility included with Microsoft Windows operating systems that automates routine computer tasks. It allows users and software administrators to trigger the execution of specific programs or scripts based on predefined conditions, known as triggers. These triggers can include a specific time of day, system startup, user logon, or specific system events. The tool is used extensively by the operating system for background maintenance but can also be configured to launch custom applications.

help Task Scheduler (Windows) FAQ

Can Windows Task Scheduler run a PowerShell script every Monday?

Yes. Create a weekly trigger and an execute action that launches powershell.exe with the script path, and set the working directory when the script depends on relative files. Microsoft defines a task around triggers and actions. [Microsoft Task Scheduler documentation](https://learn.microsoft.com/en-us/windows/win32/taskschd/tasks)

Can Task Scheduler start a program when Windows boots or a user signs in?

Yes. Windows includes BootTrigger and LogonTrigger types, so a task can start at system boot or when a selected user logs on.

Why did a task work manually but fail on its schedule?

Check the account, permissions, battery and idle conditions, network requirements, and whether Run whether user is logged on is selected. Microsoft also documents a default 72-hour execution limit unless the task settings change it. [Microsoft Task Scheduler documentation](https://learn.microsoft.com/en-us/windows/win32/taskschd/tasks)

Can Task Scheduler react to an event in Windows Event Viewer?

Yes. An EventTrigger can launch a task when a matching system or application event occurs. The event channel, provider, and event query must match the log entry exactly. [Microsoft trigger types](https://learn.microsoft.com/en-us/windows/win32/taskschd/trigger-type)

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