Hey @josggf Did you save and export a named config backup from both the active and passive before starting the Panorama work? If so, I would disable Panorama policies, objects, templates etc, load those configs and start from scratch. If you didn't make any manual backups, your best bet is to revert to a previous configuration version. (Device -> Setup -> Load Configuration Version) and start from scratch. As for why it failed in the first place; it's hard to say but I would definitely follow the below instructions. It sounds as though there may have been an issue with the device config bundle stage. https://www.paloaltonetworks.com/documentation/80/panorama/panorama_adminguide/manage-firewalls/transition-a-firewall-to-panorama-management/migrate-a-firewall-ha-pair-to-panorama-management Cheers, Luke.
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