Rewire in Live 9 is broken.

    "Thanks for your e-mail.

    At the moment Rewiring Live 9 64-bit as Slave is not working: our developers are aware of this bug and we hope to release a fix very soon.

    We are sorry for any inconveniences, and please do not hesitate to get back to us should you need further assistance.

    Kind regards,

    Ableton Support"
    Jenoki 5 years ago