2.) Checked FTP settings with FileZilla and DreamWeaver - connected successfully.
3.) Entered FTP settings into Settings -> Store -> FTP.
4.) Installed the Import/Export Tool extension - installed OK.
5.) User Groups -> Admin -> added permissions.
6.) Did an export - worked OK.
7.) Trying to re-import - get the following:

The first 2 lines: FTP Login Failed, are what concerns me... The FTP settings are obviously working, since the extension installed OK. What else could be the problem?