02-20-2026 10:17 AM
Hi All, Please I'm upgrading a palo alto firewall in HA mode remotely, I'm having some issues with remote access and for me not to loose access and be able to finish my upgrade is it ok to upgrade the Passive first before failing over to the passive and then upgrade the Active ?
02-20-2026 10:25 AM
Yes, you can upgrade the passive unit before failover over the traffic and upgrading the previously active unit. This is common and how the vast majority of upgrades are performed since it gives you an easy path to immediate revert should the upgraded unit have any immediately noticeable issues.
02-20-2026 11:52 AM
Thanks a lot, that will help me should incase I have any issue, the passive is already upgraded and I can fall on that whiles I work on active
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