How to fix Quiet Hours not working?

[mikepalma]

For last 3 weeks, quiet hours no longer works. 1520 att update 1. No other updates...

 

[RumoredNow]

Mike,

There is a parallel over here: http://forums.windowscentral.com/ask-question/366314-why-do-my-quiet-hours-no-longer-turn.html

The user sorted with a Hard Reset.

Good Luck.