To upgrade your FortiGate VM on KVM to FortiOS 7.2.3 build 1262
Advanced Diagnostics: Included GUI-based debug flow tracing to help administrators troubleshoot blocked or misrouted traffic without using the CLI. fgtvm64kvmv723fbuild1262fortinetoutkvmqcow2 upd
Upgrade Path: It is safer to use the FortiOS GUI/CLI (System > Firmware) to upload the .out file rather than swapping the underlying QCOW2 file, as the internal database and configuration may need migration during the upgrade process. Restoring a KVM VM from the .qcow2 file - Fedora Discussion To upgrade your FortiGate VM on KVM to FortiOS 7
The latest update, build 1262, for the FortiGate virtual machine (FGTVM) on 64-bit KVM environments, brings several improvements and security patches. This build is specifically designed for virtual appliances operating in KVM environments and is provided in the qcow2 format, compatible with QEMU and KVM. This build is specifically designed for virtual appliances
Apply: sudo netplan apply
License Limitations: Since version 7.2.0, the trial license is highly restrictive (e.g., no low-encryption ciphers, limited VDOMs).