Error Occurred for Task Scheduler – Logon Session Not Valid

Recently, I encountered an error with the Task Scheduler in Windows, specifically the “Logon session not valid” issue.

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Review the task details: Double-check the task details and requirements to ensure that the error is not due to a misunderstanding or oversight in the initial task setup.

Verify and Correct Task Arguments

Task scheduler interface

1. Open the Task Scheduler by searching for it in the Start menu and selecting it from the results.
2. Locate the task that is causing the error and double-click on it to open its properties.
3. Go to the Actions tab and click Edit. Ensure that the correct program/script and arguments are specified.
4. If the task is set to run with highest privileges, make sure the account used for running the task has the necessary permissions.
5. After making any necessary changes, click OK to save the changes and close the properties window.

By verifying and correcting task arguments in the Task Scheduler, you can resolve the “Logon Session Not Valid” error and ensure that your tasks run as intended.

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Updated: February 2024

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Ensure Task Scheduler Service Functionality

To ensure that the Task Scheduler service is functioning properly, follow these steps:

1. Check the Task Scheduler service status: Open the Start menu, type “services.msc” and press Enter. Scroll down to find “Task Scheduler” in the list of services. Make sure the status is set to “Running.” If not, right-click on “Task Scheduler,” select “Start” from the context menu, and wait for the service to start.

2. Verify group policy settings: If the Task Scheduler service is still not functioning properly, check the group policy settings for Task Scheduler. Double-click on “Task Scheduler” in the Group Policy Editor and ensure that the policy is set to “Not Configured” or “Enabled.”

3. Restart the computer: If the issue persists, try restarting your computer to see if that resolves the problem.

Review and Adjust Task Permissions

Task Name Current Permissions Recommended Changes
Task Scheduler – Logon Session Not Valid Read-only access for all users Grant modify permissions to specific user/group responsible for task execution
Task Scheduler – System Backup Full control for administrators only Restrict access to backup operators and specific administrators
Task Scheduler – Data Cleanup Modify access for specific user Review and adjust access based on data sensitivity

Troubleshoot and Resolve Access Issues

If you are experiencing an “Error Occurred for Task Scheduler – Logon Session Not Valid” issue, follow these steps to troubleshoot and resolve the access issues:

1. Check User Credentials: Ensure that you are using the correct username and password to log in to your Windows account.

2. Verify User Permissions: Make sure that the user account has the necessary permissions to access the Task Scheduler.

3. Run Task Scheduler with Administrative Privileges: Right-click on Task Scheduler and select “Run as administrator” to see if that resolves the issue.

4. Check for Windows Updates: Ensure that your operating system is up to date with the latest updates and patches from Microsoft.

5. Restart the Computer: Sometimes a simple reboot can resolve access issues.

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