Thanks for the reply.

So I am already doing it with a script. I wanted to learn if it was possible to do it declaratively in autoattend.xml and if so how.

But given your reply I take it that it...

I am using Packer to build an OVA with VirtualBox using a Windows Server 2019 ISO and I am also trying to learn as much as I can about the Windows autounattend.xml files. I have googled and searched...