We have received the following message from Turnitin

Turnitin services may be intermittently unavailable during a scheduled maintenance period on Saturday, March 5, 2016 from 7 am to 11 am U.S. Pacific Time. Check your local time here.

An announcement will appear for users within Turnitin in advance of when the system will be unavailable for this scheduled maintenance.

This maintenance will affect Turnitin and TurnitinUK users.

Instructors are encouraged to modify assignment due dates either before or at least several hours after the scheduled maintenance window.

You can stay current with Turnitin’s system status, performance, security, and scheduled maintenance updates via the Turnitin System Status page or via Twitter at @TurnitinStatus.