Validate that your old firewall is part of the supported set listed and click Next to start the wizard.
In the Select Product drop-down list, select the vendor name of the firewall you are migrating from.
Click on Browse to select the configuration from for your old firewall.
Select the firewall model you want to configure from the SELECT TARGET PRODUCT list.
The selected product displays in SELECTED PRODUCT pane. You can read more about that product by using the forward and back arrows to navigate the specifications. Click on the link for More Specs to see the product page for that firewall.
Assign the current interfaces to your new firewall on the interface map.
Select the target version from the drop-down list.
Click Finish. The old file is converted based on the parameters you gave. When done the new file is downloaded so you save it to your local system.
You should reset the firewall to factory defaults before importing the configuration file (not required if the device is fresh out of the box).
If not already done, register the firewall and upgrade the firmware.
Upload the newly created file settings.
Check the DNS settings (configure them manually, if needed).