We’ll keep 'em coming 
along with the change!
Missed that in one of your earlier posts, oops.
There’s reports of it working, eventually, despite not working, at first: This FreePBX 17, ISO Install Is Not Working on Hyper-V
Anyhow, getting off-topic a bit, mind if we split out the Hyper-V stuff into a new thread ? Curious where it is failing exactly…