Downgrade a Firewall to a Previous Maintenance Release
Because maintenance releases do not introduce
new features, you can downgrade to a previous maintenance release
in the same feature release without having to restore the previous
configuration. A maintenance release is a release in which the third
digit in the release version changes, for example a downgrade from
8.1.6 to 8.1.4 is considered a maintenance release downgrade because
only the third digit in the release version is different.
the following procedure to downgrade to a previous maintenance release
within the same feature release.
Save a backup of the current configuration file.
Although the firewall automatically
creates a backup of the configuration, it is a best practice to
create a backup before you downgrade and store it externally.
Export named configuration snapshot
Select the XML file that contains your running configuration
) and click
export the configuration file.
Save the exported file to a location external to the
firewall. You can use this backup to restore the configuration if
you have problems with the downgrade.
Install the previous maintenance release image.
If your firewall does not have internet access from
the management port, you can download the software update from the Palo Alto Networks Support Portal.
You can then manually
it to your firewall.
for available images.
Locate the version to which you want to downgrade.
If the image is not already downloaded, then
After the download completes,
After the installation completes successfully, reboot
using one of the following methods:
If you are prompted to reboot, click
If you are not prompted to reboot, go to Device Operations