Both of these methods reset the Firebox configuration to factory-default settings. If you do not have a backup image for your Firebox, there are two other methods you can use to downgrade Fireware.

If your Firebox runs Fireware OS v12.2 or lower, see Restore a Backup Image (Fireware 12.2 and lower). If your Firebox runs Fireware OS v12.2.1 or higher, see Import a Backup Image to the Firebox. You can restore the backup image to downgrade a Firebox. Restore a backup image you created for the device in Fireware OS v12.2 or lower.īackup images saved to your computer or network from Fireware v12.2 or lower include the Fireware OS. For more information, see Automatically Restore a Backup Image from a USB Drive. You can also configure a Firebox to automatically restore a designated backup image from a connected USB drive when it starts in recovery mode. For more information, see Use a USB Drive for System Backup and Restore.

Restore a backup image file that includes the Fireware OS from a connected USB drive.īackup images saved to a USB drive that is connected to your Firebox can include the Fireware OS. When you install an older version of Fireware OS, you can select a compatible backup image to restore.įor more information, see Use the Web UI to Downgrade Fireware OS. If you use the Web UI Upgrade feature to downgrade to Fireware OS v12.2.1 or higher, you can restore a compatible backup image that is saved on the Firebox or a backup image that does not include Fireware OS that is stored on a connected USB drive.īecause these backup images do not include the Fireware OS, you must download and install the older version of Fireware OS on your management computer. Use the Upgrade feature in Fireware Web UI to downgrade to Fireware OS v12.2.1 or higher. If you have a saved backup image, there are three methods you can use to downgrade a Firebox to an earlier version of Fireware OS: It is not necessary to downgrade WatchGuard System Manager when you downgrade Fireware OS, because WatchGuard System Manager can manage a Firebox that uses an earlier version of Fireware OS. Use these procedures to downgrade the version of Fireware OS on a Firebox to an earlier version.

Firefox revert to previous version