Troubleshooting Tip: FortiGate=CN on 'Fortinet_Factory' local certificate prevents the FortiGate communicating with FortiManager

[Ylli_Seitaj]

Description	This article describes an issue where a FortiGate VM cannot connect with FortiManager when CN on the local certificate: 'Fortinet Factory' on the FortiGate is 'FortiGate' instead of the Serial Number of the FortiGate.
Scope	FortiGate, FortiManager.
Solution	Attempts to apply a new license with the correct CN fail, as shown below: In the GUI: In the CLI: execute vm-license <token> This operation will reboot the system ! Do you want to continue? (y/n)y Failed to download VM license. CN=FortiGate for the 'Fortinet_Factory' certificate, as shown below: The solution for this issue is to redeploy the VM. After the VM is redeployed, the certificate will have the correct CN (which will be with Serial Number of the FortiGate) and the FortiGate VM will be able to connect with FortiManager.