Enabling the schema manager in Active Directory

Another way to modify the schema is to edit the registry.

1. Start regedit.
2. Go to the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NTDS\Parameters registry entry.
3. Double-click Schema Update Allowed (of type REG_DWORD).
4. Set the value to 1.
5. Click OK.
6. Close the registry editor.