Log in as an administrator with permission to change the configuration.
Change to the /etc/opt/SUNWics5/cal/config directory.
Save your old ics.conf file by copying and renaming it.
Edit the ics.conf parameter that follows to specify the administrator’s email address:
alarm.msgalarmnoticercpt=”admin@email_address”
Save the file as ics.conf.
Restart Calendar Server.
cal_svr_base/SUNWics5/cal/sbin/start-cal
The calendar services do not need to be stopped to edit the ics.conf file, but you must restart the services in order for the changes to take effect.