Reply To: UltraChannel fails authorization at ProTools startupBy peterwarren / July 1, 2014 Home › Forums › Products › Plug-Ins › UltraChannel fails authorization at ProTools startup › Reply To: UltraChannel fails authorization at ProTools startup July 1, 2014 at 7:19 am #126252 peterwarrenParticipant It works in Pro tools 10 for me but not in pro tools 11. Is it compatible with 11?