Perform the Pfsense server boot and wait for the Welcome menu.
The system will ask you to enter full pathname of shell or RETURN for /bin/sh:
/sbin/fsck -y
NOTE: Enter yes to any prompts, including:
Pfsense will mark the filesystem as clean.
/sbin/mount -o rw /
Execute the password reset command:
/etc/rc.initial.password Do you want to proceed [y|n]? y
NOTE: The WebConfigurator admin password and privileges will be reset to the default (which is “pfsense”).
/sbin/reboot