Turnitin engineers have resolved this issue as of 11:03am ET and all components of the Turnitin system are now functioning as normal. For more information about this incident, please see Turnitin's status history page. Thank you for your patience while Turnitin engineers worked to restore full functionality.
Beginning at about 10:00am ET time Turnitin began to exhibit issues with viewing similarity reports and accepting submissions. This means that instructors are unable to view similarity reports for assignments that their students have already submitted, and students are unable to submit Turnitin assignments at present. Turnitin's engineers are actively working to resolve this issue as soon as possible. Please see Turnitin's status page and Twitter feed for more information. We apologize for this inconvenience and thank you for your patience.