New CourseWorks will be unavailable on June 30th, from 8:00 AM to 10:00 AM for an emergency reboot. We regret the inconvenience this may cause.
If users continue to experience issues after the service-interruption hours, they should contact the CUIT Helpdesk:
Web: http://www.columbia.edu/cuit/support/expanded.html
Phone: 212-854-1919