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When manually upgrading Firmware from System-> Firmware this error appears:
Step 1: Reboot the Firewall and press any key to enter into the configuration menu to check the security level.
[C]: Configure TFTP parameters.
[R]: Review TFTP parameters.
[T]: Initiate TFTP firmware transfer.
[F]: Format boot device.
[I]: System information.
[B]: Boot with backup firmware and set as default.
[Q]: Quit menu and continue to boot.
[H]: Display this list of options.
Step 2: Enter option I.
[S]: Set serial port baudrate.
[R]: Set restricted mode.
[T]: Set menu timeout.
[U]: Set security level.
[I]: Display system information.
[E]: Reset system configuration.
[Q]: Quit this menu.
[H]: Display this list of options.
Step 3: Enter option U.
[0]: Level 0 - Not check image
[1]: Level 1 - Check image only
[2]: Level 2 - Check image and reinforce validity
Enter security level setting [1]:
Step 4: Enter option 0 to set security level 0.
Step 5: Exit the configuration menu and continue booting OS.
Step 6: Firmware upgrade using GUI System->Firmware.
Note:
Make sure the platform image matches with the current platform. On the support.fortinet.com website for image download, there are some images for the same model, but the platform is different:
- FFW is for FortiFirewall.
- FWF is for FortiWifi.
- FGR is for FortiGate Rugged.
- FGT is for FortiGate.
Related article:
Technical Tip: The Common Error or Warning Messages which are appeared on the Web GUI while Upgradin....
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