How to reset FortiGate Firewall to factory default setting without Admin Password

fortinetI believe everyone know that Fortigate Firewall can be reset to Factory Defaults by using Web GUI or CLI interface. In the event of you lost or you do not know the admin password for the fortigate unit, how to reset the Firewall unit? The only thing that you can do is to use maintainer account which have permission to do reset for super admin password or do firewall factory reset.

To do that, you will need:

  • physical access the box
  • Console cable
  • Terminal software such as Putty.exe (Windows) or Terminal (MacOS)
  • Serial number of the FortiGate device


– Connect your laptop or computer to the Firewall via the Console port
– Launch your terminal software
– Reboot or Power Cycle the Firewall
– Wait for the Firewall name and login prompt to appear.
– Enter the Username as maintainer, password as bcpb with Firewall Serial no in UPPERCASE


login: maintainer
Password: bcpbFGT90D3Z14012537

Please take note that you only have 14 seconds or less to enter username and password after the device boot. If you unable to complete enter the username and password within 14 seconds, you need to reboot or power cycle the Firewall again.

– The terminal window should display something similar to the following:


– Now you should be able to access the firewall.

– In this example, we will do the Firewall Factory reset. Below are the command:-

exec factoryreset

– A warning will appear, just enter Y to proceed.

This operation will reset the system to factory default!
Do you want to continue? (y/n)

– After that, system will reboot and load the factory default settings.

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