Extra domains make the network more complex to administer. In the past extra domains were created because of the limitations in creating a large number of objects in active directory and there was only one password policy per domain. Now active directory can scale to millions of objects and it has more than one password policy per domain. Before you create a child domain, ask the following question.
Why Do You Create a Child Domain?
In the previous article, we discussed why we add extra domains in a forest and we also configured one child domain. However, this article focuses on adding a new tree domain in an existing forest in Windows Server 2016.
I have a small topology in the test environment and its configuration is shown in the following table.