Users can receive Instant Messenger pop-up reminders for upcoming events and tasks on their calendars. To enable these pop-up reminders, two things must happen:
The administrator must configure Calendar Server and Instant Messaging Server to allow pop-up notifications.
The end user must specify email reminders in the Options tab of Communications Express, which sets an alarm in the Event Notification System.
The end user must enable calendar reminders in Instant Messenger.
With pop-ups enabled, when an impending event or task nears, the alarm set in the Event Notification System causes Calendar Server to send an email notification and Instant Messaging to display a pop-up reminder.
A Calendar Server administrator can choose to configure either email notifications or pop-up reminders or both for end users. For example, to turn email reminders off, set the following parameter in the ics.conf file: