Saturday 19 July 2008

You get the error "[Script Name].ps1 cannot be loaded because the execution of scripts is disabled on this system" when running Powershell scripts

If you get the error:
File D:\Sc\Global\DDK.Solution\dev\DDK.ProjectName\deploy.ps1 cannot be loaded because the execution of scripts is disabled on this system. Please see "get-help about_signing" for more details.

You get this error because the default setting for Powershell is "Restricted" (aka locked down Alcatraz mode). In this mode, it does not load configuration files or run scripts.

To resolve this issue, you can run Powershell (powershell is typically in C:\WINNT\system32\WindowsPowerShell\v1.0\powershell.exe if it is not already in your path) and change the execution policy. For example, you could run the command "Set-ExecutionPolicy Unrestricted" if you want to allow unsigned scripts to run.

Once you have set your security policy appropriately, you can execute your powershell scripts without this error. See http://technet.microsoft.com/en-us/library/bb978644(TechNet.10).aspx for more information.




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