Message from iParadigms, the Turnitin vendors:
Turnitin and Turnitin UK services may be intermittently unavailable during a scheduled maintenance period on Saturday, March 1, 2014 from 7-11AM U.S. Pacific Time (15:00 – 19:00 GMT).
Instructors are encouraged to modify assignment due dates either before or at least several hours after the scheduled maintenance window.
As a reminder, maintenance periods may occur the 1st and 3rd Saturday of the month as described on our System Status page.