Cannot run the Active Directory Installation Wizard (Dcpromo.exe)
When I try to run the Active Directory Installation Wizard (Dcpromo.exe), I receive one of the following error messages:
The specified domain either does not exist or could not be contacted.
Or
The Domain Name is not an Active Directory Domain, or an Active Directory Domain Controller for the domain could not be contacted.
Or
Logon Failure: unknown username or bad password
Please, help me if you’ve any solution.








