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Level 1

10 points

Midi services not available

I've just upgraded my OS to 11.5.2 on mac pro and Logic 10.6.3

When I open Logic I receive this message 'Midi services not available'

I have tried connecting with my Novation Impulse and Roland a-49 and get the same message

I have downloaded and installed the latest driver for the Roland but still no luck

Any ideas as to what is happening,

thanks

Posted on Sep 4, 2021 7:24 AM

Top-ranking reply

Level 6

14,686 points

Posted on Sep 4, 2021 1:46 PM

Try this, quit Logic and all open applications, unplug any and all MIDI devices. Restart the computer, let it settle, plug in a single keyboard while Utilities/Audio-MIDI setup is open. Occasionally upgrading an OS while devices are plugged in causes corruption/partial install.
Incompatible MIDI driver installed.
It looks like Big Sur may have changed USB power levels, try a different USB port.

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