This is a known issue in Enterprise Console version 4
When Enterprise Console discovers an unmanaged computer that belongs to a workgroup by using the Find on the network option of the Find new computers feature, the console displays the name of the computer's workgroup in the Domain/workgroup field. If the computer is then moved to an Active Directory domain and restarted, and Enterprise Console immediately synchronizes that computer with or imports it from Active Directory, the console will still display the name of the computer's workgroup in the Domain/workgroup field, and not its domain name.
You can resolve this problem by making the computer managed:
Every comment submitted here is read (by a human) but we do not reply to specific technical questions. If you need technical support please post a question to our community. Alternatively for licensed products open a support ticket.