How do I configure DNS post install DC

Post DC installation how do I configure DNS?

Shared Folder is not accessible

If a school shared folder is not accessible from your workstation try the following:

1. Check to see that you are on the same subnet as the shared drive. Any school drive should be on the 10.71.XX.XX network. If you have a statically assigned IP address or are getting an APIPA address  you will not be able to see the shared folder. An APIPA address is any address that begins 169.254.XX.XX