AD DS : DCPROMO fails with A domain controller for the specified domain could not be located.

AD DS : DCPROMO fails with A domain controller for the specified domain could not be located.

Check the DCPROMO log files located under: C:\Windows\Debug.

Perform the following test on the server: nltest /dsgetdc:<fqdn of a functioning domain controller>

You can also confirm, that you can lookup srv records in DNS, execute the following from a command prompt:

  1. nslookup
  2. set type=all
  3. _ldap._tcp.dc._msdcs.<domain_name>

If SRV records are returned then it is more than likle this is a firewall related issue. Check logs for blocked traffic, specifically on UDP and TCP port 389.