You can execute the installation using the web-based Graphical User Interface (GUI) or the Command Line Interface (CLI). Choose the method that best aligns with your administrative workflows. Method 1: Installation via the GUI (Simplest) Navigate to > Firmware & Registration . Click the Browse button under the Upload Firmware section. Select the .out file you downloaded in Phase 2. Click Backup Config and Upgrade .
Once online, traffic fails over to the updated secondary unit.
Look out for changes in default behaviors, command-line interface (CLI) syntax removals, or altered hardware limitations. Part 2: The Critical Step — The Upgrade Path
When you initiate the upgrade on the primary unit, it automatically pushes the firmware to the secondary (slave) unit first. The secondary unit upgrades and reboots. fortigate firmware download install
Follow the exact sequence of intermediate versions generated by the tool. 2. Verify Your Support Contract
Open the CLI console and run diagnose sys top to ensure CPU and memory usage are stable. Check routing tables and active VPN tunnels.
⭐⭐⭐⭐☆ (4/5) Ease of Use: 3/5 | Reliability: 4/5 | Documentation: 4/5 | Risk Factor: High You can execute the installation using the web-based
Installation can be done via the Graphical User Interface (GUI) or the Command Line Interface (CLI). Always back up your configuration before starting. GUI Method (Recommended) Navigate to Management Fabric Management (in v7.0+) or Select Upgrade : Choose the FortiGate unit and click Upload File File Upload , browse for your downloaded file, and click
For advanced administrators or recovery scenarios where the GUI is inaccessible, you can push firmware using a TFTP server.
Click on your administrator username in the top-right corner. Select > Backup . Click the Browse button under the Upload Firmware section
Fix vulnerabilities that could be exploited.
The tool will give you a "step-by-step" sequence (e.g., 6.4.5 → 7.0.2 → 7.2.5). You install each intermediate version. 2. Verify Support Access
Every firmware version has a "Known Issues" section. Check if any bugs affect features you use (like specific VPN types or SD-WAN).
: Ensure the new firmware is compatible with other managed devices like FortiAnalyzer or FortiManager.