- Login the SonicWALL, for example, https://192.168.168.168.
- Navigate to Device | Settings > Firmware and Settings.
- Click Import/Export Configuration > Export Configuration.
Note: when imported old configuration, you may receive a warning:
Prefs Import Warning!The firewall configuration file that is being imported is from a different model: SOHOIt may contain configuration settings not supported by the firewall.Please use the firewall migration tool for configuration import: https://migratetool.global.sonicwall.com
Or you may receive this error message: An error has occurred but the cause could not be determined at this time.
To import, click on Import/export Configuration and then select import. browse the configuration file and click on Import.
You may receive a popup warning.
Or
If you get above error, check the firmware version.