Notification (reminder) setting not getting set in shared calendars

I successfully shared a calendar between my wife's outlook.com account and mine.

However, I discovered that there is a really annoying problem:

When she creates an event under the shared calendar, the notification setting is always empty on MY END. That is, at the time of the even (10 minutes before to be exact) she gets the notification of the event and I don't. Is the same if I am the one creating the event. She does not get notification but I am. This is really stupid as you all people sharing a calendar should be notified when the event is due without having to manually add reminder to each event

We both have reminder setting set to "calendars on your PC and phone" set to 10 minutes. The person creating the event, receives the notification 10 minutes  as it should. The other person does not..

Is like everything is passed between the calendars except for the notification information.  I can create an event in my PC. Open her PC and see that the notification field in her calendar is EMPTY.

THis is the very and single reason why I am still using google for my calendar.