Run any PowerShell Script as a Windows Service with AlwaysUp

How to Run Any PowerShell Script as a Windows Service with AlwaysUp

Automatically start your PowerShell script (*.ps1) whenever your computer boots. Keep it running 24/7, or schedule it to re-run every few minutes — no need to log on first


Last Updated on May 5, 2026

PowerShell is Microsoft's modern scripting language and command-line shell. It excels at task automation and configuration management.


If you want to run a PowerShell script before anyone signs on, you have a couple of options.

To run your script infrequently, such as once per day, use the Windows Task Scheduler. A basic task should be adequate for your needs.

But for situations where reliability, observability and accountability are important, you'll be better off with AlwaysUp. That's because AlwaysUp will run your script as a bulletproof Windows Service — Microsoft's premier technology for dependable background tasks.


To install your PowerShell script as a Windows Service with AlwaysUp:

  1. Download and install AlwaysUp, if necessary.

  2. Start AlwaysUp.

  3. Select Application > Advisor to open the Application Advisor:

    Start Application Advisor

  4. Click Next to get started:

    Application Advisor: Introduction

  5. Choose PowerShell from the list of applications and click Next:

    Application Advisor: Select PowerShell

  6. Here, tell AlwaysUp what script you want to run. Enter the full path to your .ps1 file:

    Enter the path to your PowerShell script

  7. On this screen, you'll be prompted to enter the user name and password of a Windows account where you know your PowerShell script works:

    Enter your Windows password

    Click Next to move on.

  8. AlwaysUp is done gathering information. Click Next to continue:

    Done gathering PowerShell information

  9. The Add Application window contains all the recommended settings for running your PowerShell script 24x7 after your computer boots.

    Click Save to install your new PowerShell service:

    Ready to install your PowerShell service

  10. In a couple of seconds, a new entry named for your PowerShell script will show up in the AlwaysUp window. The state will be "Stopped" because the service isn't running yet:

    PowerShell Script Windows Service Installed

  11. In this default setup, AlwaysUp will automatically restart your PowerShell script immediately after it stops. The effect is to run your script continuously, without any pauses.

    If that's not what you want — say you want to run your script every few minutes instead — you should make the following changes:

    1. Edit your PowerShell script in AlwaysUp. You can either double-click the row or select Edit from the Application menu.

    2. Switch to the Restart tab.

    3. Adjust the controls to reflect how often AlwaysUp should run your script. For example, we chose every hour, on the hour:

      Run your PowerShell script every hour on the hour

    4. Activate the Minimize event logging option, to reduce chatter as your script starts and stops frequently.

    5. Check the Don't panic box, especially if your script can do its work and exit very quickly.

    6. Click Save to record your changes.

  12. Finally, to launch your PowerShell script as a service, choose Application > Start. The entry will transition to "Running" and your script will be active in the background (in Session 0):

    PowerShell Windows Service running

    If you decided to pause between runs of your script (in step 11), you may occasionally see the service waiting too:

    PowerShell script waiting to run

  13. That's it! Next time your computer boots, your PowerShell script will start immediately, before anyone logs on. And AlwaysUp will ensure that it runs whenever it should.

    We encourage you to edit the entry in AlwaysUp and check out the many other settings that may be appropriate for your environment.

    For example, you can:


PowerShell Script not working properly as a Windows Service?

  • Consult the AlwaysUp Troubleshooter — our online tool that can help you resolve the most common problems encountered when running an application as a Windows Service.

  • From AlwaysUp, select Application > Report Activity > Today to bring up an HTML report detailing the interaction between AlwaysUp and your PowerShell script. The AlwaysUp Event Log Messages page explains the more obscure messages.

  • Browse the AlwaysUp FAQ for answers to commonly asked questions and troubleshooting tips.

  • Contact us and we will be happy to help!

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