BEGIN:VCALENDAR
CALSCALE:GREGORIAN
X-WR-TIMEZONE;VALUE=TEXT:US/Central
METHOD:PUBLISH
BEGIN:VEVENT
DTSTAMP:20130524T013101Z
DTSTART:20130127T060000Z
DTEND:20130127T120000Z
DESCRIPTION:AEMS will undergo maintenance. Some or all AEMS will be unavailable for periods which depend upon the specific work being performed. In some cases, it may be necessary for users to restart their mail client software after the maintenance is complete in order to re-establish contact with the server.
LOCATION:UT Austin
SUMMARY:Austin Exchange Message Service (AEMS) Planned Maintenance
UID:ut-its-maint-001-3170
X-MICROSOFT-CDO-BUSYSTATUS:FREE 
BEGIN:VALARM
TRIGGER:-PT1H
ACTION:DISPLAY
END:VALARM
END:VEVENT
END:VCALENDAR