You can create tree or child domain using AD DS Configuration Wizard

Hi Sergey and Nick, Thanks for your comments. You can create a new domain using AD DS Configuration Wizard or using Windows PowerShell. I am not sure I follow your question. Can you list the steps you have tried? It should not be necessary to *re-launch* the AD DS Configuration Wizard. You would need to run it once on the target server where you plan to host the new domain. You can launch it from the first DC in the forest as long as you have added the target server to a server pool so you can