Turnitin outage history

We’ve run into some issues. Turnitin Originality, iThenticate 2.0, and Crossref with AI Writing Detection in the Asia Pacific region are currently experiencing an unexpected service incident. During this time, you may experience delays in generating the AI Writing Report. Users accessing the services via an integration may also be affected. We invite you to track the progress of this incident while we work to bring the service back to optimum health.

A fix has been implemented, and we are monitoring the results. There may be delays in AI Writing Report generation while we work through a backlog caused by the incident. This is impacting our users accessing Turnitin Originality, iThenticate 2.0, and Crossref with AI Writing Detection in the Asia Pacific region. Users accessing the services via an integration may also be affected. We invite you to track the progress of this incident while we work to bring the service back to optimum health.

We’ve fixed it! Due to an unexpected service incident, users in the Asia Pacific region accessing the services via Turnitin Originality, iThenticate 2.0, and Crossref with AI Writing Detection may have experienced delays generating the AI Writing Reports. Users accessing these services via an integration may also have been affected. We are pleased to advise that service has been restored. The incident occurred between the following times: PDT: Wednesday, 14th October 20:08 - Thursday, 15th October 01:01 BST: Thursday, 15th October 04:08 - Thursday, 15th October 09:01 AEDT: Thursday, 15th October 14:08 - Thursday, 15th October 19:01 We regret any inconvenience this may have caused if you were impacted by today’s incident.

We’ve ran into some issues. Turnitin, iThenticate 2.0, Crossref, Similarity, and Originality in the Europe and Asia Pacific region have experienced an unexpected service incident. Users may have experienced delay in Similarity Report generation. Users accessing Turnitin via an integration may have also been affected. We are pleased to advise that service has been restored. The incident occurred between the following times: Europe Region: PDT: Sunday, 20th of September at 17:00 - Sunday, 20th of September at 19:20 BST: Monday, 21st of September at 01:00 - Monday, 21st of September at 03:20 AEST: Monday, 21st of September at 10:00 - Monday, 21st of September at 12:20 Asia Pacific Region: PDT: Sunday, 20th of September at 17:45 - Sunday, 20th of September at 20:00 BST: Monday, 21st of September at 01:45 - Monday, 21st of September at 04:00 AEST: Monday, 21st of September at 10:45 - Monday, 21st of September at 13:00 We regret any inconvenience this may have caused if you were impacted by today’s incident.

We’ve fixed it! We have identified that due to an unexpected service incident, users may have been unable to access Standard and Clarity assignment inboxes. Users accessing these assignment types via an integration also may have received errors when attempting to access the assignment inbox. We are pleased to advise that service has been restored. The incident occurred between the following times: PDT: Thursday, 3rd September 10:57 - Thursday, 3rd September 11:24 BST: Thursday, 3rd September 18:57 - Thursday, 3rd September 19:24 AEST: Friday, 4th September 03:57 - Friday, 4th September 04:24 We regret any inconvenience this may have caused if you were impacted by today’s incident.

We’ve run into some issues. Turnitin and TurnitinUK are currently experiencing an unexpected service incident. During this time, users accessing the service via an integration may encounter an error when attempting to use the Turnitin service. We invite you to track the progress of this incident while we work to bring the service back to optimum health.

We are currently investigating this issue.

Turnitin and TurnitinUK are currently experiencing an unexpected service incident. During this time, users accessing the service via an integration may encounter an error when attempting to use the Turnitin service. We invite you to track the progress of this incident while we work to bring the service back to optimum health.

We are continuing to investigate this issue. Logins for Turnitin UK, Turnitin and iThenticate.com have been restored.

We’ve fixed it! Due to an unexpected service incident, you may have been unable to log into Turnitin, TurnitinUK, iThenticate.com today. Users accessing Turnitin via an integration also may have received errors when attempting to access the service. We are pleased to advise that service has been restored. The incident occurred between the following times: PDT: Wednesday, 2nd September 20:40 - Thursday, 3rd September 1:27 BST: Thursday, 3rd September 4:40 - Thursday, 3rd September 9:27 AEST: Thursday, 3rd September 13:40 - Thursday, 3rd September 18:27 We regret any inconvenience this may have caused if you were impacted by today’s incident.

We’ve run into some issues. Originality, CrossRef Similarity Check, Similarity, SimCheck and iThenticate V2 are currently experiencing an unexpected service incident. Integration users may also be affected. During this time, you may find users encounter an error message when they try to upload files. We invite you to track the progress of this incident while we work to bring the service back to optimum health.

Users can now upload files without an error message but they may find a delay in processing.

We’ve fixed it! Due to an unexpected service incident, you may have been unable to upload files in Originality, CrossRef Similarity Check, Similarity, SimCheck and iThenticate V2 today. Users accessing via an integration may also have been affected. We are pleased to advise that service has been restored. Submissions made via integrations may need to be resubmitted. The incident occurred between the following times: PDT: Thursday, 6th August 03:30 - Thursday, 6th August 05:35 BST: Thursday, 6th August 11:30 - Thursday, 6th August 13:35 AEST: Thursday, 6th August 20:30 - Thursday, 6th August 22:35 We regret any inconvenience this may have caused if you were impacted by today’s incident.

We’ve run into some issues. Turnitin.com is currently experiencing an unexpected service incident. During this time, you may find that Instructor or Student users attempting to log in from Turnitin.com are directed to the Admin login page, rather than the Instructor and Student login page. Instructor or Student users please use this URL to log in to your account (Global users) https://www.turnitin.com/login_page.asp (UK users) https://www.turnitinuk.com/login_page.asp We invite you to track the progress of this incident while we work to bring the service back to optimum health.

Turnitin.com should now present the Instructor and Student login URL for English language users, we're updating the non-English language pages now. Instructor or Student users please use this URL to log in to your account (Global users) https://www.turnitin.com/login_page.asp (UK users) https://www.turnitinuk.com/login_page.asp

We have updated the Turnitin.com page for users in the following regions; Americas United States (English) America Latina (Español) Brasil (Português) Canada (English) México (Español) Europe & Middle East Deutschland (Deutsch) España (Español) France (Français) Italia (Italiano) Middle East ( عربي) Nederland (Nederlands) Portugal (Português) Türkiye (Türk) United Kingdom (English) We are in the process of updating the following regional pages; Asia Pacific Australia (English) India (English) Indonesia (Bahasa Indonesia) 日本 (日本語) 대한민국 (한국어) New Zealand (English) Philippines (English) 中国（简体中文) 台灣（繁體中文)

We’ve fixed it! Due to an unexpected service incident, you may have been unable to log in as an Instructor or Student in Turnitin Feedback Studio today. We are pleased to advise that service has been restored. The incident occurred between the following times: PDT: Tuesday, 14th July 10:27 - Wednesday, 15th July 07:50 BST: Tuesday, 14th July 18:27 - Wednesday, 15th July 15:50 AEST: Wednesday, 15th July 03:27 - Thursday, 16th July 00:50 We regret any inconvenience this may have caused if you were impacted by today’s incident.

On July 14th and 15th Instructor or Student users accessing the service via Turnitin.com or Turnitinuk.com may have been incorrectly directed to the Admin login page, rather than the Instructor and Student login page. The login page itself and the rest of the service remained operational. Instructor and Student users were advised to use this URL to log in to their respective Turnitin accounts: (Global users) https://www.turnitin.com/login_page.asp (UK users) https://www.turnitinuk.com/login_page.asp This has since been resolved, and users should access their login pages through Turnitin as normal. We regret any inconvenience this may have caused.

We’ve run into some issues. Turnitin and TurnitinUK are currently experiencing an unexpected service incident. During this time, users accessing the service via turnitin.com and turnitinuk.com may encounter an error when accessing New standard or Clarity assignments. Users accessing these services via an integration, may also be affected. We invite you to track the progress of this incident while we work to bring the service back to optimum health.

We are continuing to work on a fix for this issue.

We’ve fixed it! Due to an unexpected service incident, users accessing the service via turnitin.com and turnitinuk.com may have encountered an error when accessing New standard or Clarity assignments today. Users accessing these services via an integration, may also have been affected. We are pleased to advise that service has been restored. The incident occurred between the following times: PDT: Thursday, 25th June 06:05 - Thursday, 25th June 08:43 BST: Thursday, 25th June 14:05 - Thursday, 25th June 16:43 AEST: Thursday, 25th June 23:05 - Friday, 26th June 01:43 We regret any inconvenience this may have caused if you were impacted by today’s incident.

We’ve run into some issues. Feedback Studio, Feedback Studio UK, iThenticate v1, iThenticate v2 and Similarity have experienced an unexpected service incident. During this time, some users may have experienced an error message when logging in via Shibboleth SSO. PDT: Sunday, 14th June 17:43 - Monday, 15th June 03:22 BST: Monday, 15th June 01:43 - Monday, 15th June 11:22 AEST: Monday, 15th June 10:43 - Monday, 15th June 20:22 We regret any inconvenience this may have caused if you were impacted by today’s incident.

We’ve fixed it! Due to an unexpected service incident, users may have been unable to access their classes in Turnitin and Turnitin UK today. Users accessing these services via an integration may also have been affected. We are pleased to advise that service has been restored. The incident occurred between the following times: PDT: Thursday, 11th June 16:10 - Thursday, 11th June 16:50 BST: Friday, 12th June 00:10 - Friday, 12th June 00:50 AEST: Friday, 12th June 09:10 - Friday, 12th June 09:50 We regret any inconvenience this may have caused if you were impacted by today’s incident.

We’ve fixed it! Due to an unexpected service incident, users who access Turnitin, Turnitin UK, Turnitin Similarity, SimCheck, Originality and iThenticate V1 and V2 through Shibboleth SSO only, may have been unable to do so today. We are pleased to advise that service has been restored. The incident occurred between the following times: PDT: Tuesday, June 9th 21:06 - Wednesday, June 10th 01:42 BST: Wednesday, June 10th 05:06 - Wednesday, June 10th 09:42 AEDT: Wednesday, June 10th 14:06 - Wednesday, June 10th 18:42 We regret any inconvenience this may have caused if you were impacted by today’s incident.

We’ve run into some issues. Turnitin is currently experiencing an unexpected service incident. During this time, users may find that Turnitin, Turnitin UK and iThenticate V1 are inaccessible, integrations users may be affected. We invite you to track the progress of this incident while we work to bring the service back to optimum health.

We are continuing to work on a fix for this issue.

We're currently monitoring a fix for Turnitin and Turnitin UK, however, iThenticate V1 users are still affected.

We’ve fixed it! Due to an unexpected service incident, you may have been unable to access in Turnitin.com, TurnitinUK.com and iThenticate.com today, users accessing these services via integrations may have been affected. We are pleased to advise that service has been restored. The incident occurred between the following times: Turnitin.com and TurnitinUK.com: PDT: Wednesday, 3rd June, 17:00 - Wednesday, 3rd June 18:12 BST: Thursday, 4th June, 01:00 - Thursday, 4th June, 02:12 AEST: Thursday, 4th June, 10:00 - Thursday, 4th June, 11:12 iThenticate.com: PDT: Wednesday, 3rd June, 17:00 - Wednesday, 3rd June 18:38 BST: Thursday, 4th June, 01:00 - Thursday, 4th June, 02:38 AEST: Thursday, 4th June, 10:00 - Thursday, 4th June, 11:38 We regret any inconvenience this may have caused if you were impacted by today’s incident.

We’ve run into some issues. Turnitin UK is currently experiencing an unexpected service incident. During this time, you may find that you are unable to access Classes or Assignments. Users accessing via an integration may also be affected. We invite you to track the progress of this incident while we work to bring the service back to optimum health.

We’ve fixed it! Due to an unexpected service incident, you may have been unable to access Turnitin UK classes and assignments today. Users accessing via an integration have also been affected. Administrators may have also experienced errors when accessing their portal. We are pleased to advise that service has been restored. The incident occurred between the following times: PDT: Tuesday, 19th May 2026 04:50 - 06:20 BST: Tuesday, 19th May 2026 12:50 - 14:20 AEST: Tuesday, 19th May 2026 21:50 - 23:20 We regret any inconvenience this may have caused if you were impacted by today’s incident.

We’ve run into some issues. Turnitin Feedback Studio is currently experiencing an unexpected service incident. During this time, Spanish language users may encounter intermittent errors when accessing AI writing reports. We invite you to track the progress of this incident while we work to bring the service back to optimum health.

We’ve fixed it! Due to an unexpected service incident, Spanish language users may have intermittently encountered errors when accessing the AI Writing reports in Turnitin Feedback Studio. We are pleased to advise that service has been restored. Any submissions made in the below time frame may still show an error, we are in the process of fixing these affected reports. This process may take some time. If a report is needed urgently please resubmit to generate a new AI Writing report. The incident occurred between the following times: PDT: Thursday, 6th May 06:25 - Thursday, 7th May 09:08 BST: Thursday, 6th May 14:25 - Thursday, 7th May 17:08 AEST: Thursday, 6th May 23:25 - Friday, 8th May 02:08 We regret any inconvenience this may have caused if you were impacted by today’s incident.

We’ve run into some issues. Due to an unplanned key rotation by Instructure following the security incident posted here (https://status.instructure.com/incidents/9wm4knj2r64z), users will encounter issues accessing reports via Canvas LMS submitted via Canvas Plagiarism Framework (CPF). Affected products: Turnitin Turnitin UK Turnitin Similarity, Originality and SimCheck

We’ve fixed it! Due to an unplanned key rotation by Instructure following the security incident posted here (https://status.instructure.com/incidents/9wm4knj2r64z), users might have been unable to access or generate similarity reports via Canvas LMS submitted via Canvas Plagiarism Framework (CPF). We are pleased to advise that service has been restored. Affected products: Turnitin Turnitin UK Turnitin Similarity, Originality and SimCheck The incident occurred between the following times: PDT: May 1st, 2026 - Friday, 15:30 to May 4th, 2026 - Monday 14:49 BST: May 1st, 2026 - Friday, 23:30 to May 4th, 2026 - Monday 22:49 AEST: May 2nd, 2026 - Saturday, 08:30 - May 5th, 2026 - Tuesday 07:49 Please note that Canvas will resubmit the affected submissions; it is worth noting that this may take a while to complete. We regret any inconvenience this may have caused if you were impacted by the incident.

We’ve run into some issues. Turnitin Clarity is currently experiencing an unexpected service incident. During this time, you may find that you areunable to access Turnitin Clarity assignments created using an LTI 1.3 integration via turnitinuk.com and turnitin.com directly. We invite you to track the progress of this incident while we work to bring the service back to optimum health.

We are continuing to work on a fix for this issue.

A fix has been implemented and we are monitoring the results.

We’ve fixed it! Due to an unexpected service incident, you may have been unable to access Turnitin Clarity assignments created using an LTI 1.3 integration via turnitinuk.com and turnitin.com directly today. We are pleased to advise that service has been restored. The incident occurred between the following times: PDT: Thursday, 30th April 08:47- Thursday, 30th April 14:01 BST: Thursday, 30th April 16:47 - Thursday, 30th April 22:01 AEST: Friday, 1st May 01:47 - Friday, 1st May 07:01 We regret any inconvenience this may have caused if you were impacted by today’s incident.

We’ve run into some issues. Turnitin Clarity is currently experiencing an unexpected service incident. During this time, you may find that you are unable to load the Student Writing Report. We invite you to track the progress of this incident while we work to bring the service back to optimum health.

We’ve fixed it! Due to an unexpected service incident, you may have been unable to load the Student Writing Report in Turnitin Clarity today. We are pleased to advise that service has been restored. The incident occurred between the following times: PDT: Wednesday, 29th April 21:43- Thursday, 30th April 06:45 BST: Thursday, 30th April 05:43 - Thursday, 30th April 14:45 AEST: Thursday, 30th April 14:43 - Thursday, 30th April 23:45 We regret any inconvenience this may have caused if you were impacted by today’s incident.

We’ve fixed it! Due to an unexpected service incident, Users in the UK using an integration may have encountered slowness or intermittent 504 errors in Feedback Studio UK today. We are pleased to advise that service has been restored. The incident occurred between the following times: PDT: Wednesday, 29th April 04:17 - Thursday, 30th April 08:15 BST: Thursday, 30th April 12:17 - Thursday, 30th April 16:15 AEST: Thursday, 30th April 21:17 - Friday, 1st May 01:15 We regret any inconvenience this may have caused if you were impacted by today’s incident.

We’ve run into some issues. Turnitin, Turnitin UK, Similarity, SimCheck, Originality, Authorship, iThenticate V2, and Crossref Similarity Check are currently experiencing an unexpected service incident. During this time, you may experience a delay in the Similarity Report generation, as well as possible errors when attempting to log in to Turnitin Similarity, SimCheck, Originality, Authorship, iThenticate V2, and Crossref Similarity Check. Users accessing via an integration may have also been affected. We invite you to track the progress of this incident while we work to bring the service back to optimum health.

We’ve fixed it! Due to an unexpected service incident, you may have experienced a delay in the Similarity Report generation, as well as possible errors when attempting to log in to Turnitin, Turnitin UK, Similarity, SimCheck, Originality, Authorship, iThenticate V2, and Crossref Similarity Check today. Users accessing via an integration may have also been affected. We are pleased to advise that service has been restored. The incident occurred between the following times: PDT: Tuesday, 31st March 20:00 - Tuesday, 31st March 22:11 BST: Wednesday, 1st April 04:00 - Wednesday, 1st April 06:11 AEDT: Wednesday, 1st April 14:00 - Wednesday, 1st April 16:11 We regret any inconvenience this may have caused if you were impacted by today’s incident.

We’ve fixed it! Due to an unexpected Service Incident, you may have been unable to load classic Similarity Reports in Turnitin, Turnitin UK and if accessing through an integration today. We are pleased to advise that service has been restored. The incident occurred between the following times: PDT: Tuesday, 24th March 04:50 - Tuesday, 24th March 06:07 GMT: Tuesday, 24th March 11:50 - Tuesday, 24th March 13:07 AEDT: Tuesday, 24th March 22:50 - Wednesday, 25th March 00:07 We regret any inconvenience this may have caused if you were impacted by today’s incident.