Update configure-custom-settings-active-directory.md

Get-ACL and Set-ACL does not work on OU path only need AD: prefix

Author: jsporbert

azure-local/plan/configure-custom-settings-active-directory.md

@@ -66,7 +66,7 @@ $DeploymentUser="deploymentuser"
 #Assign required permissions
 $userSecurityIdentifier = Get-ADuser -Identity $Deploymentuser
 $userSID = [System.Security.Principal.SecurityIdentifier] $userSecurityIdentifier.SID
-$acl = Get-Acl -Path $ouPath
+$acl = Get-Acl -Path "AD:$ouPath"
 $userIdentityReference = [System.Security.Principal.IdentityReference] $userSID
 $adRight = [System.DirectoryServices.ActiveDirectoryRights]::CreateChild -bor [System.DirectoryServices.ActiveDirectoryRights]::DeleteChild
 $genericAllRight = [System.DirectoryServices.ActiveDirectoryRights]::GenericAll
@@ -86,7 +86,7 @@ $rule3 = New-Object System.DirectoryServices.ActiveDirectoryAccessRule($userIden
 $acl.AddAccessRule($rule1)
 $acl.AddAccessRule($rule2)
 $acl.AddAccessRule($rule3)
-Set-Acl -Path $ouPath -AclObject $acl
+Set-Acl -Path "AD:$ouPath" -AclObject $acl
 ```
 
 ## Required DNS records
@@ -162,4 +162,4 @@ Get-NetAdapter "vManagement*"|Set-DnsClient -RegisterThisConnectionsAddress $fal
 
 Proceed to:
 - [Download the Azure Stack HCI OS software](../deploy/download-23h2-software.md).
-- [Install the Azure Stack HCI OS software](../deploy/deployment-install-os.md).
+- [Install the Azure Stack HCI OS software](../deploy/deployment-install-os.md).