100D Firmware Issues

[rlandquist]

I was having issues with upgrading the firmware above 5.4.1, so based on research and documentation I found I have tried formatting the boot device and reloading firmware using TFTP.

It appears that the format worked, and I setup TFTP.

The file transfer starts and after 10 or so #symbols, it then says "Open boot device failed"

Then the connection to the TFTP server is dropped.

Any suggestions on next steps in getting this working correctly?

[jintrah_FTNT]

Hello,

Please check if you get the option to save the firmware as default image pressing 'D' at step 11 mentioned here Technical Tip: Loading FortiGate firmware image us... - Fortinet Community

If not saved as default, there would be no image in the flash to boot and could display open boot device failed error.

Best regards,

Jin