F5 Forget the root\admin password solution

Case one: Users with available operation permissions

The password modification of the root and admin accounts of BIGIP V9 can be modified in the Web interface, but only if there is a user who can log on to the operation permission so that it can be modified through the Web interface (see Figure 1)

Figure 1:

Case two: Forget all operation above permissions of the user password

This situation can be changed through the console into Single-user mode to modify the root and admin account password (see below for the following steps)

STEP1: Reboot the device, select boot image to boot when the Grub menu appears, and enter "E" to edit