How to reset fortigate firewall password

Do the following things to reset the fortigate firewall password

1. Connect serial port(Baud 9600, 8 bit , none , 1 none)
   
2. Type in the username: maintainer
3. The password is bcpb + The serienumber of the firewall (remember CAPS letters)
   1. Note that on some devices, after the device boots, you have 14 seconds to type in the username and password. It might, therefore, be necessary to have them ready in a text editor, and then copy and paste them into the login screen.
4. Now you should be connected to the firewall, and to change the admin password you type the following.
   1. config system admin
   2. edit admin
   3. set password
   4. end

from website http://www.afterschool.dk/documents/network/fortigate-password-reset/