SMA 100 for KVM Virtual Appliances do not support downgrading an image and using the configuration settings file from a higher version. To downgrade to a previous version of a SMA 100 for KVM image, you must create a new Virtual Machine or load a snapshot taken earlier.
To upload a new SMA 100 for KVM Virtual Appliance image
When the upload is complete, you are ready to reboot your SMA 100 for KVM with the new SMA 100 for KVM Virtual Appliance image. Do one of the following:
Be sure to save a backup of your current configuration settings to your local computer before rebooting the SonicWall SMA 100 for KVM Virtual Appliance with factory default settings, as described in Exporting a Copy of Your Configuration Settings.