--- description: "Learn more about: Read-Only Domain Controller Updates" ms.assetid: 38f6adb1-dfcf-456d-b631-2b1e96dc670b title: Read-Only Domain Controller Updates author: iainfoulds ms.author: daveba manager: daveba ms.date: 05/31/2017 ms.topic: article --- # Read-Only Domain Controller Updates >Applies to: Windows Server 2022, Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012 There are no changes to adprep /rodcprep in Windows Server 2012 R2 or in Windows Server 2012.