Hi all, I'm calling for help from the forum.
After follow this article, i've already installed DC and DNS on the same server successfully.
Step-by-Step Guide for Setting Up Windows Server 2012 Domain Controller
Then problem come with my antivirus software call: SOPHOS.
The error is: "Cannot connect to any domain. Refresh and try again when connection is available"
Then i uninstalled antivirus software. >>> The same problem
Then remove AD roles and DNS roles. And Add it again >>> The same problem
Many thanks!