Updated: 16th May 2024

This issue has now been resolved by Turnitin.

First posted:  15th May 2024

Turnitin, Turnitin UK, iThenticate (V1 and V2), Crossref Similarity Check, Turnitin Similarity, Originality, and SimCheck are currently experiencing an unexpected service incident. Users accessing these services via an integration may also be affected.
 
During this time, users may experience slowness when uploading submissions as well as delayed report generation.

This issue is currently being investigated by Turnitin and updates will be posted here: https://turnitin.statuspage.io/