Deploy new fortigate

[Taher2]

Is there a Forti solution available to deploy an old FortiGate configuration to a new NGFW Fortigate version?

[ebilcari]

Have you checked FortiConverter?

[Raghu_Kumar]

Yes, Fortinet's FortiConverter service can be used to migrate a configuration from an older FortiGate device to a new FortiGate NGFW version: 

FortiConverter Service

This service can automatically translate a firewall configuration file from an existing FortiGate device to a new FortiGate model. It can be used directly from the FortiGate GUI or through the FortiConverter portal.