First of all I have Cubase 5 (yes, dinosaur). After fighting to get my midi keyboard keys to control the transport buttons (start, stop, record, etc) I noticed they only work if you press and hold them. I mean, to record I have to press and hold the assigned record key for a few seconds until it starts recording. It’s awful.
If someone knows any trick I’ll be happy to share imaginary beer.
P.S: this is the generic remote stuff I created: