While running PowerShell script, if you get running scripts is disabled on this system, it is because the PowerShell execution policy is set up by default as Restricted and doesn't allow to run script. PowerShell has built-in security features implemented.
To change the execution policy for LocalMachine, start PowerShell with Run as Administrator. To display the execution policies for each scope in the order of precedence, use Get-ExecutionPolicy -List . To see the effective execution policy for your PowerShell session use Get-ExecutionPolicy with no parameters.
Your script is blocked from executing due to the execution policy.
You need to run PowerShell as administrator and set it on the client PC to Unrestricted. You can do that by calling Invoke with:
Set-ExecutionPolicy Unrestricted
There are certain scenarios in which you can follow the steps suggested in the other answers, verify that Execution Policy is set correctly, and still have your scripts fail. If this happens to you, you are probably on a 64-bit machine with both 32-bit and 64-bit versions of PowerShell, and the failure is happening on the version that doesn't have Execution Policy set. The setting does not apply to both versions, so you have to explicitly set it twice.
Look in your Windows directory for System32 and SysWOW64.
Repeat these steps for each directory:
Navigate to WindowsPowerShell\v1.0 and launch powershell.exe
Check the current setting for ExecutionPolicy:
Get-ExecutionPolicy -List
Set the ExecutionPolicy for the level and scope you want, for example:
Set-ExecutionPolicy -Scope LocalMachine Unrestricted
Note that you may need to run PowerShell as administrator depending on the scope you are trying to set the policy for.
You need to run Set-ExecutionPolicy
:
Set-ExecutionPolicy Unrestricted <-- Will allow unsigned PowerShell scripts to run.
Set-ExecutionPolicy Restricted <-- Will not allow unsigned PowerShell scripts to run.
Set-ExecutionPolicy RemoteSigned <-- Will allow only remotely signed PowerShell scripts to run.
The problem is that the execution policy is set on a per user basis. You'll need to run the following command in your application every time you run it to enable it to work:
Set-ExecutionPolicy -Scope Process -ExecutionPolicy RemoteSigned
There probably is a way to set this for the ASP.NET user as well, but this way means that you're not opening up your whole system, just your application.
(Source)
I had a similar issue and noted that the default cmd on Windows Server 2012 was running the x64 one.
For Windows 7, Windows 8, Windows Server 2008 R2 or Windows Server 2012, run the following commands as Administrator:
Open C:\Windows\SysWOW64\cmd.exe
Run the command: powershell Set-ExecutionPolicy RemoteSigned
Open C:\Windows\system32\cmd.exe
Run the command powershell Set-ExecutionPolicy RemoteSigned
You can check mode using
In CMD: echo %PROCESSOR_ARCHITECTURE%
In Powershell: [Environment]::Is64BitProcess
I hope this helps you.
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