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PoweShell Script for Disabling Inheritance on Subfolders

Posted on 2014-11-04
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Last Modified: 2014-11-25
We are looking for a PowerShell script that will simply disable permission inheritance for every subfolder in a parent directory.

Any suggestions would be appreciated.
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Question by:GR JN
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Expert Comment

by:lruiz52
ID: 40422767
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Expert Comment

by:becraig
ID: 40422914
pipe your get child item into a where item equal a folder then do a foreach  and reset the permission

gci -Path c:\somefolder -recurse | where { $_.PsIsContainer } | % {
	$acl = Get-Item $_ | get-acl
	$acl.SetAccessRuleProtection($true, $true)
	$acl | Set-Acl
}

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Author Comment

by:GR JN
ID: 40424171
Thanks just to confirm this will DISABLE inheritance on the child folders?
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Expert Comment

by:becraig
ID: 40424566
Yes.

so the script will enumerate all child folders within the parent folder specified.
gci c:\parentfolder - recurse 

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It will verify it is only running against folders
| where { $_.PsIsContainer }

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Then for each folder it finds no matter how many levels deep it will disable inheritance.
$acl.SetAccessRuleProtection($true, $true)

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If we want to limit recursion we can specify how many folders deep we go e.g.:
gci c:\parentfolder\*\*\*

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will return two folders deep add an additional \*  for each level deeper you want to recurse.
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Author Comment

by:GR JN
ID: 40424621
Thanks. I would only want to disable inheritance on the child folder but not the grandchildren. What would this syntax look like?
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Accepted Solution

by:
becraig earned 500 total points
ID: 40424645
gci -Path c:\somefolder\* | ? { $_.PsIsContainer } | % {
	$acl = Get-Item $_ | get-acl
	$acl.SetAccessRuleProtection($true, $true)
	$acl | Set-Acl
}
                         

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