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![]() ![]() NET methods with the specification that you are opening the key for editing with the security access that allows you to change permissions. In order to do this you will need to connect to the registry via the. Fortunately, as an administrator I’m still the owner of the key, and I can get these permissions back, but if you try to run the above script you will receive errors like this: Set-Acl : Requested registry access is not allowed. The above scenario works fine when you have access to change permissions on the registry, but what if you are an administrator and the administrator group has been removed from the ACL. $acl |Set-Acl -Path HKLM:\SOFTWARE\powertoe Changing Permissions when you don’t have access $rule = New-Object ("T-Alien\Tome","FullControl","Allow") Putting it altogether you have a very simple way of controlling permissions in the registry via Powershell: $acl = Get-Acl HKLM:\SOFTWARE\powertoe Now that the ACL is set up to provide the permissions you would like you can pass the ACL into Set-ACL: $acl |Set-Acl -Path HKLM:\SOFTWARE\powertoe To add or remove an access rule you need to create the rule as an object of type RegistryAccessRule, and then either create or remove the rule from the ACL with the SetAccessRule() or RemoveAccessRule() methods: $rule = New-Object ("T-Alien\Tome","FullControl","Allow") Inspecting $acl will show you the list of access rules that make up the ACL: The easiest method to create the appropriate ACL is to grab the existing one you would like to modify with Get-Acl: $acl = Get-Acl HKLM:\SOFTWARE\powertoe You create an Access Control List (ACL) that lists all of the users who should have access or should be denied access with their appropriate permission type e.g. If you want to modify permissions to keys in the registry it’s a fairly simple process with Powershell that is nearly identical to the method you would use for files and folders (thanks to the registry provider). ![]()
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