I have 2 Windows 2008 R2 servers. One already has AD and DNS installed. It was set up as a new tree in a new forest.
Now I have to add the second server, which is to have a dns zone that the first server is delegating. The first server is foo.com and the second server will be bar.foo.com
During the setup, I choose "existing forest". It's not an extra domain controller, so I choose "create new domain in existing forest". Then I saw the option" Create a new domain tree root instead of a new child domain".
And it has me puzzled, because I don't know what the implications will be.
I used all my skills in MS Paint to create this diagram representation of the scenario: