How to perform a factory reset on a Palo Alto Networks device from Maintenance Mode

1. Connect the Console cable, which is provided by Palo Alto Networks, from the "Console" port to a computer, and use a terminal program (9600,8,n,1) to connect to the Palo Alto Networks device.

NOTE: A USB-to-serial port will have to be used if the computer does not have a 9-pin serial port.

2. Power on to reboot the device.
3. During the boot sequence, the screen should look like this
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4. Enter Maint mode 

For PAN-OS 10.0 and above

• Select PANOS (maint-sysroot1) from the options below. The options below will show for 5 seconds only 

PANOS (maint-sysroot0)
PANOS (maint-sysroot1)
PANOS (sysroot0)
PANOS (sysroot1)

1. Type maint and hit Enter to enter maintenance mode
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2. you will see a "CHOOSE PANOS" screen with the following options: PANOS (maint-other), PANOS (maint) or PANOS (sysroot0). Please choose PANOS (maint). Press enter to continue.
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