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Holocryptic
Asked: 2011-04-09 12:22:26 +0800 CST

Associate .ps1 to powershell.exe through domain GPO on 2008r2

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I need to associate .ps1 with powershell.exe instead of Notepad via GPO from a 2008r2 DC. I've seen one question mention CSE under Computer Configuration\Preferences\Control Panel Settings\Folder Options and setting it there. But I'm not sure exactly what to do and I can't find anything helpful anywhere.

group-policy powershell extension file-associations windows-server-2008-r2

1 Answers

  1. Best Answer

    You're close. Under Folder Options, Right Click in the main part of the area and go to New -> File Type

    Action: Create
File extension: .ps1
Check Configure Class Settings
Under Action -> New
Action: Open
Application: *Path to Powershell*

    Then OK/Save out.

    Reference: TechNet: Configure a File Type Item

    EDIT: Can't find the class, and I even used PowerShell to extract that dropdown list and search it...nothing.

    There is a way to set it via Registry in Group Policy. The class is Microsoft.PowerShellScript.1 and full path to it is:

    HKEY_CLASSES_ROOT\Microsoft.PowerShellScript.1\Shell\Open\Command

    Change the (Default) value to:

    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "-file" "%1"

    This is found in the GPOE:

    \Computer Configuration\Preferences\Windows Settings\Registry

    SUMMARY: Create a new Registry Item:

    Settings:
  Action: Update
  Hive: HKEY_CLASSES_ROOT
  Key Path: Microsoft.PowerShellScript.1\Shell\Open\Command
  Value name: Check Default
  Value type: REG_SZ
  Value data: "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "-file" "%1"

    Then wait for GP flush on machines.

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