If the problem that caused an event is being dealt with, you can indicate that the event is "in maintenance", in the event list. The Maintenance priority works in conjunction with the Maintenance event list filter.
You can indicate that an event is in maintenance only if you have permission to do so.
To indicate that selected events in the event list are "in maintenance", click . The events are displayed in the In Maintenance monitor box.
To remove the "in maintenance" status from selected events, click .