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Description

Powershell constrained language mode. restricts access to sensitive language elements that can be used to invoke arbitrary Windows APIs. This plugin uses some elements that are blocked by constrained language mode.

Specifically this is often when we do something like invoking a .NET class rather than using inbuild powershell i.e.,
[IO.Path]::Combine(...

instead of
Join-Path ...

The other main issue is building XML documents .createElement et. al.

Constrained language mode can be set by setting the registry key Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment\_PSLockDownPolicy to 4. Setting it back to 8 will return to FullLanguage mode.

Use Case(s)

Ability to use packer when administrators have enabled Powershell constrained language mode

Potential configuration

Potential References

https://devblogs.microsoft.com/powershell/powershell-constrained-language-mode/