Yup. Save via Fractal-Bot, restore to second MFC via Fractal-Bot.
You can even dump directly from one to another via MIDI if you don't want to involve a computer in the middle.
IAs need to be reset to previous values, they may changes during upgrade. II syx files cannot be loaded on III at this time, working on conversion tool... If you send me you MKII dump file I can send you one to try on MKIIi