djoin.exe not a Powershell command

I’ve heard from a speaker I respect the question whether Microsofts strategies are consequent because they are basing everything on Powershell, however the djoin.exe-command is not a Powershell command.

Interesting one, but also very understandable if you think about it. Djoin.exe is created to provide the following possiblity in Windows Server 2008 R2 and Windows 7:

  • Create a computer account in the directory and store a file to support a offline-join of the computer to the domain
  • Offline join the computer to it’s account using the file created in the prior step

The Active Directory Domain Services product group has created a lot of Powershell Commandlets to support Management of Active Directory on Windows Server 2008 R2, actually you can download the Active Directory Managment Gateway Service to support the Powershell commands running against Windows Server 2003 (R2) or Windows Server 2008 (without R2). The Management Gateway provides the Active Directory WebService, which is used by Powershell and the new Administrative Center. The WebService is automatically there if you install a Windows Server 2008 R2 Domain Controller, therefore you don’t need the Management Gateway there.

The Active Directory Powershell Commandlets are available on Windows Server 2008 R2, or Windows 7 with the Remote Server Administration Tools for Active Directory installed. If a system has not the Active Directory

As I said before, one of the two main responsibilities is to join computers offline to the domain, either in Scenarios with RODCs (e.g. in the DMZ) or mass-creation / joining e.g. if you have your hardware vendor or distributor preinstalling machines for you.

So – would we want to install the Remote Server Administration Tools for Active Directory on Clients or member servers just to join them to the domain? Nope. Would we want to have multiple powershell-modules for AD (e.g. one for server management, one for joining domains, one for directory data management, …)? Nope.

So I guess an exe for this purpose is OK, and I also guess that this is the reason behind.

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