How do I remove a child domain from an AD 2012 forest?

Question

Active Directory

There is a forest, it has a corporate domain like example.com. In the same forest, there is a child domain of the form dev.example.com with its own domain controller. How to correctly remove dev.example.com from the forest so that it does not leave traces with the schema and DNS?

Answer 1

This video will most likely help you: https://www.youtube.com/watch?v=RhWgifVqwjY