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How to apply NTFS permissions on a directory where inherited and non-inherited permissions differ for the same user or group via PST

Last Updated:

Applies to

  • ONTAP 9
  • ONTAP PowerShell Toolkit (PST)
  • NTFS Security Descriptor (SD) \ Discretionary Access Control List (DACL) \ Access Control List (ACL)


  • NTFS ACLs permissions can be applied to these objects
    • Current Folder
    • Subfolders
    • Files
  • You can apply NTFS ACLs to all three, however it is not possible to apply different sets of permissions for the same user
    • as example
      • the first command is successful

Add-NcFileDirectorySecurityNtfsDacl -SecurityDescriptor <security descriptor name>  -VserverContext <vserver name> -AccessType allow -Account "domain\user or group" -Rights modify -ApplyTo sub_folders,files

  • the second command is not successful, it fails with the event: Add-NcFileDirectorySecurityNtfsDacl: duplicate entry

Add-NcFileDirectorySecurityNtfsDacl -SecurityDescriptor <security descriptor name>  -VserverContext <vserver name> -AccessType allow -Account "domain\user or group" -Rights read -ApplyTo this_folder

due to "you cannot add 2 different set of permissions in 1 Security Descriptor (SD) to the same object (user\group)"

  • This ability exists from the Windows side in case of a need: "Security Tab > Advanced"clipboard_e475cdcb43fc7075cd03d4e32183d3041.png


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