03-15-2023 09:55 AM
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
03-15-2023 11:29 AM
Hello,
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.
Regards,
03-15-2023 01:25 PM
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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