https://live.paloaltonetworks.com/t5/general-topics/how-to-factory-reset-vm-firewall/m-p/219035#M63278 <P>I was downgrading the VM 500 firewall from 8.1.1 to 8.0.10 and booted the image with wrong config file. I am able to ssh firewall but maint mode&nbsp; username &amp; password (serial #) is not working. How can I reset the password and bring VM 500 in factory default settings ?</P> Sun, 24 Jun 2018 23:51:37 GMT Prakhar 2018-06-24T23:51:37Z https://live.paloaltonetworks.com/t5/general-topics/how-to-factory-reset-vm-firewall/m-p/219035#M63278 <P>I was downgrading the VM 500 firewall from 8.1.1 to 8.0.10 and booted the image with wrong config file. I am able to ssh firewall but maint mode&nbsp; username &amp; password (serial #) is not working. How can I reset the password and bring VM 500 in factory default settings ?</P> Sun, 24 Jun 2018 23:51:37 GMT https://live.paloaltonetworks.com/t5/general-topics/how-to-factory-reset-vm-firewall/m-p/219035#M63278 Prakhar 2018-06-24T23:51:37Z https://live.paloaltonetworks.com/t5/general-topics/how-to-factory-reset-vm-firewall/m-p/219101#M63283 <P>you'll need to reboot the firewall and interrupt the boot process by invoking maintenance mode at the prompt</P> Mon, 25 Jun 2018 08:44:41 GMT https://live.paloaltonetworks.com/t5/general-topics/how-to-factory-reset-vm-firewall/m-p/219101#M63283 reaper 2018-06-25T08:44:41Z