Instead, Microsoft pre-installed PowerShell Integrated Scripting Environment (ISE) in Windows 10 and 11, specifically used to run scripts. But what if you need to run scripts and cmdlets simultaneously in PowerShell? If you try running a script in PowerShell, you will get see the following error message: In that case, you need to explicitly allow PowerShell to run scripts. Not only that, but you can also define policies used to execute the script, as well as its scope. Let us now dig into the details of the execution policy and its scope, and then show you how to enable script execution in Windows PowerShell.
What is a Script?
A script is a piece of code, in any programming language, which performs a specific function or a task. A script can be as short as a single expression, or as long as running a complex algorithm. Scripts can be run directly in a scripting environment – an application designed for coding – or saved in a file, such as a batch file. In the case of PowerShell scripts, we run the code directly inside the PowerShell window or run a PowerShell file with the extension “.PS1” which contains the script. Before we discuss how to allow script execution in PowerShell, here is some information we think you ought to know beforehand.
PowerShell Execution Policies and Scopes
As we mentioned earlier, you can optionally choose from the different script execution policies that can be configured for PowerShell. Each of these policies is designed to distinguish between the different types of scripts, and which to allow and which to block. The table below lists the policies you can choose from and what each of them allows.Execution PolicyDescriptionDefaultSets Windows to the default execution policy (Restricted for Windows and RemoteSigned for Servers).RestrictedThis is the default execution policy for Windows 10 and 11. You can’t run any PowerShell scripts and PowerShell is set to interactive mode so that you can only run individual commands.RemoteSignedThis is the default execution policy for Windows Servers. You can run downloaded PowerShell scripts, but they must be signed by a trusted publisher. Self-written (non-downloaded) PowerShell scripts can run without a signature.AllSignedYou can only run PowerShell scripts from a trusted publisher, regardless of where they come from.UnrestrictedYou can run unsigned scripts, but you’ll get a warning before trying to run ones that come from the internet.BypassThis is the least strict setting. Run any script with no warnings or prompts. Not recommended for anything other than test machines.UndefinedNo policy has been implemented, which automatically applies to the Restricted policy.PowerShell script execution policies Furthermore, each of these policies can be defined for a different scope. By scope, we mean where the policy will be applied. The table below lists the different scopes. You can use these execution policies and scopes to manage how to execute scripts in Windows PowerShell.
How to Allow Scripts to Run in PowerShell
You can now use a combination of execution policies and scopes to configure how you want to run your scripts. Each of the sections below gives a different example of how to set a policy.
Set Script Execution Policy to RemoteSigned
Users usually prefer setting the script execution policy for Windows PowerShell to RemoteSigned, as it keeps their system safe by preventing unauthorized scripts from running. There are 2 ways in Windows to configure this policy.
Through Settings App
The Settings app in Windows allows you to manage how, whether you wish to allow scripts to run in PowerShell or not. Here’s how to enable it: Note that this will only allow scripts from trusted online and local sources in the “CurrentUser” scope.
From PowerShell
If you’d prefer only the Command Line Interface (CLI), here is how to configure the RemoteSigned Execution Policy directly from PowerShell: The command above will set the RemoteSigned execution policy for all users on the computer (scope: LocalMachine). If you want to change the scope of the policy, use the -Scope parameter followed by the scope name. Here is an example: You will then need to confirm this change as well.
How to Change Script Execution Policy for Specific Scope
You can now use this method to configure any one of the above-discussed policies to any scope using the cmdlet below. Simply replace NewPolicy with the Execution Policy and NewScope with the Scope where you want to define it.
Set Script Execution Policy to Default
If you no longer wish to allow scripts to run in PowerShell, you can always change their value to default, which is Undefined or Restricted. However, if a policy has been applied to a specific scope, then you need to update the policy for that particular scope again. In the command below, we are going to restore the script execution policy for the LocalMachine scope to its default setting: You can now run the script again with a different scope to change all scopes to their default (restricted) policy.
How to Check PowerShell Execution Policy
To check your current script execution policy in PowerShell, run the following command in PowerShell: You can then use this information to change your script execution policy using the guide given above. Also see:
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