There is an announcement on Tegrity’s support page in regards to a service outage:
Service Outage – 2/28/2017 Posted on February 28, 2017 by Ben Han
The Tegrity service is currently experiencing an outage. We are working with AWS to restore the S3 Cloud Storage that is used by the Tegrity service. We will update this post as the status changes. We apologize for the outage and appreciate your patience as we work to resolve this issue.
The Tegrity Team
Tegrity is working to resolve this problem. We will post an updated announcement when we see the Tegrity service is restored. Please call the Campus Support Center at 479-968-0646 or email firstname.lastname@example.org with any questions or concerns.