Home › Forums › Products › Plug-Ins › UltraChannel fails authorization at ProTools startup › Reply To: UltraChannel fails authorization at ProTools startup July 1, 2014 at 4:28 pm #136935 DGillespieModeratorEventide Staff Hi Peter, UltraChannel is compatible with Pro Tools 11. What OS version are you using and which specific version of Pro Tools are you using? Thanks, Dan
