Troubleshooting Tip: FortiManager does not provide FortiGuard service to hidden devices

[azhunissov]

Description	This article describes causes and fixes for an issue where FortiManager does not provide FortiGuard service to hidden devices and they are not counted in the device/ADOM license.
Scope	FortiManager 6.2 and higher versions.
Solution	If a device is hidden, it is not used in a device license count and FortiManager does not provide FortiGuard services to that device: FortiGate: get_fcpr_response[298]-Unpacked obj: Protocol=3.2|Firmware=FMG-VM64-FW-7.02-1460|SerialNumber=FMG-VMTMXXXXXX|Response=401| upd_fds_fmg_info_update[1667]-Updated FMG [FMG-VMTMXXXXXX], ver=7.2-1460, code=401 upd_pkg_verify_update_rsp[1187]-Unexpected update rsp code 401 __upd_act_update[308]-Received invalid update rsp FortiManager: __check_unreg_device: device FG101FXXXXXXXXX is hidden, skip update __process_client_request,2980; check unreg failed for FG101FXXXXXXXXX [FMG-->FGT] Response: Protocol=3.2|Firmware=FMG-VM64-FW-7.02-1460|SerialNumber=FMG-VMTMXXXXXX|Response=401| If the device is not hidden but is unregistered, it is counted in a device license count and FortiManager provides the FortiGuard service to that device: FortiGate: upd_fds_fmg_info_update[1793]-Updated FMG [FMG-VMTMXXXXXX], ver=7.2-1530, code=300 FortiManager: [FMG-->FGT] Response: Protocol=3.2|Firmware=FMG-VM64-FW-7.02-1530|SerialNumber=FMG-VMTMXXXXXX|Response=300| To allow FortiGuard services for unregistered devices (not hidden devices), it is necessary to have a sufficient FortiManager device/domain license.