Naim App loses Minimserver

[NASssd]

Simon
I completely disabled the firewall and that did not fix the issue. I shut the cable modem router, wireless access point, small non managed switch, ipad, and NDX2 for over 5 minutes. This did not fix anything either. The ipad keeps the lock on Minimserver as long as the app is not closed - I have to keep the screen on at all times, which is a real waste of power. Before the upgrade to the following yesterday:
DSM 7.0
Minimserver 2.1
Minimwatch 2.0.9
NDX2 firmware 3.8.0.5355
Naim app 5.23

I could play as song and turn the screen off. When I turned the screen Minimserver would be there ready to go.

Do you have any other ideas?

Mark