Resolved! Upgrading PAN-OS 8.1.x to 9.1.10
I want to upgrade PA-3220 (Active - Passive) from 8.1.14 to 9.1.10 Is this upgrade method correct or not?1.Download and install PanOS 9.0.0 (no reboot) Should I upgrade PanOS to 8.1.19 (Preferred release) or not?2.Download and install PanOS 9.0.13 and reboot3.Download and install PanOS 9.1.0 (no reboot)4.Download and install PanOS 9.1.10 ...




