Moving a FortiGate from one ADOM to another, when a FortiGate is placed in the wrong ADOM. ADOM is root, FortiGate is NGFW-1. We want to move NGFW-1 to ADOM:Core

Select “DeviceManager”

Select “System Settings”

Select/Edit the ADOM where we want to move the FortiGate to: “Core”
Notice at ADOM root which has 1 device.

Click “Select Device”. Select NGFW-1.

NGFW-1 is added.

ADOM:Core has the new FortiGate. The ADOM:root has not.