If you manually configure the DNS server before installing Active Directory, without using the program automatic configuration, or
Domain Controller and DNS Server are separated on both servers. At this time we need to manually configure the DNS server.
There Are Serval Key Points Following:
1. Setup Perferred DNS Server Of DC AS Your DNS Server's IP
2. Setup DNS Zone to Support "Dynamic Update"
2. DNS settings on DNS Server except for the area where you want to configure domain name, must build one
The root domain (i.e., "), otherwise you will prompt DNS errors when you install DC, this is the most critical point
