We also run the macOS Firewall and it does not block Sonos (via
Airplay), Airplay, or Airdrop. Airplay only needs to be on the same
network. That network must not be an isolated network. You didn't
mention what kind of network environment you're runn...
We're in the same boat for the last 2 years. We've still got office
space so shipping units back to the office. We order through the Apple
Business Ecommerce site where all units are shipped directly to
employees. When decommissioning devices though,...
Highly recommend buying the training pass. Unlimited training courses
for a whole year for one person. You can take each course multiple times
if you want/need. With the pass you could get 200, 300, 370 and 400 done
in a year.