Downgraded software

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Palo Alto Networks Approved
Palo Alto Networks Approved
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Community Expert Verified

Downgraded software

L0 Member

I downgraded 5220 from 10.1 to 9.1.14h4 and once rebooted fan wont stop starting and stopping. Also can’t commit says communication error happened during configuration to dataplane


Cyber Elite
Cyber Elite


While I have not run into that situation, I would suggest going back to the 10.1 version you had before. The alternative would be to call support.




Cyber Elite
Cyber Elite

Did you attempt to do that in one jump? Similar to running upgrades, I would never recommend skipping a major code version when running a downgrade. If you did, the benefit is that you can likely use SWM to revert to your last install. 


1) Run 'debug swm status' to verify the partition PAN-OS version and ensure that it's showing revertible.

2) Run 'debug swm revert revert' to revert the active partition to your old partition. 

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