Domain Name (pre Win 2000) value displayed in Identity Manager is different from Active Directory (4245306)

Domain Name (pre Win 2000) value in Identity Manager and Active Directory does not match. How to manually update the Domain Name (pre Win 2000) value in Identity Manager Version 7.x?

1. Go to Manager and select "Active Directory" from the main menu.
2. Select the affected domain and click "Change master data" in the Tasks list. 
3. Select the "Active Directory" tab. 
4. Update the "Domain name (pre Win2000)" value.
5. Save the change.