First off this is a bad idea ftping as root is insecure, there are better more secure ways of shifting files as root.
To enable root ftp ensure that the directive &RootLogin on& is included in your configuration.
Note the capitalization. &RootLogin& and &Rootlogin& are NOT the same variables, and therefore &Rootlogin on& is NOT the same directive as &RootLogin on&.
Hope this helps!
