Bugs that might impact your specific deployment or hardware model.
Click next to your targeted version to save it directly to the appliance's flash storage. Phase 3: Installing FortiGate Firmware
This is one of the most critical prerequisites. You cannot simply jump from an old version to the latest version. Fortinet requires following a , which may include multiple intermediate steps. Skipping versions can cause configuration loss, network disruption, HA synchronization issues, and even boot failures. fortigate firmware download install
FortiGate uses an upgrade path system. You cannot arbitrarily jump versions.
Check the official Fortinet Documentation for known issues in the target firmware version. Bugs that might impact your specific deployment or
Once you are satisfied that the system is stable, take a new configuration backup. Label it clearly as the post-upgrade configuration.
What is the device running, and what is your target version ? You cannot simply jump from an old version
Restart the FortiGate. When prompted, press any key to enter the boot menu. Select the option to .
5. Step 4: Install FortiGate Firmware via CLI (Alternative Method)