You will need to re-enroll using the afw#meraki option enter the new users credentials when you enroll?   I have been locked out by factory reset protection before but was unable to unlock it using the previous users personal Google account. Apparently since more recent systems manager versions factory reset protection has been disabled. https://community.meraki.com/t5/Endpoint-Management-Systems/Disable-factory-reset-protection/m-p/11128#M1378   Do you get the factory reset protection screen when you boot and try to set up the device?    ... View more