Upgrade to Fireware v12.2
Release Notes 17
Upgrade to Fireware v12.2
If your Firebox is a T10 with Fireware v12.1 or older, you might not be able to perform a
backup before you upgrade the Firebox. This occurs because the memory use by Fireware
v12.1 or older does not leave enough memory free to successfully complete the upgrade
process on these devices. For these devices, we recommend you save a copy of the .xml
configuration file with a distinctive name, as described here: Save the Configuration File.
If you need to downgrade a Firebox without a backup file after you complete the upgrade to
Fireware v12.x, we recommend you Downgrade with Web UI. This process deletes the
configuration file, but does not remove the device feature keys and certificates. After you
downgrade the Firebox, you can use Policy Manager to Save the Configuration File to the
If your Firebox has Fireware v12.1.1 or later, the Firebox will temporarily disable some
security services to free up enough memory to successfully perform a backup. To learn more,
see Backup and Restore for XTM 25, XTM 26, and Firebox T10.
Important Information about the upgrade process:
lWe recommend you use Fireware Web UIto upgrade to Fireware v12.x. You can also use Policy
Manager if you prefer.
lWe strongly recommend that you save a local copy of your Firebox configuration and create a Firebox
backup image before you upgrade.
lIf you use WatchGuard System Manager (WSM), make sure your WSM version is equal to or higher
than the version of Fireware OS installed on your Firebox and the version of WSM installed on your
Management Server. Also, make sure to upgrade WSM before you upgrade the version of Fireware OS
on your Firebox.
If you want to upgrade a Firebox T10 device, we recommend that you reboot your Firebox
before you upgrade. This clears your device memory and can prevent many problems
commonly associated with upgrades in those devices.
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