That's exactly the point with the appliance backup -- in includes all the networking level settings so that you can just restore that and be on your way if your hardware fails. The application backup does not provide all that information, it just has the internal database information with the assumption that you have already provided the underlying server.
When you use the ncs backup command, be sure NOT to use the application keyword. You need to ensure the new server has the exact same configuration settings that you used on the initial server. Same timezone. Same hostname. Same RAM.
