Decision Summary
Domain names should be kept simple and should be consistent with the Internet DNS namespace. Both the NetBIOS name and DNS name need to be considered for consistency, manageability, and complexity.
Once implemented, this decision is difficult to change because all computers, applications, and scripts would need to be updated to represent the new name. Also, users are exposed to the domain name at logon and when using domain-related applications. A change to the domain name would be confusing and disruptive.
Important!   Run through the decision process to determine the name of every domain in every forest and record the decision in the job aid in the appendix.
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