Turnitin UK LoginsTurnitin UK Feedback Studio AccessiThenticate WebsiteTurnitin LoginsTurnitin UK Paper SubmissionsTurnitin Feedback Studio AccessTurnitin Paper Submissions(v1) Website Logins
Paper SubmissionsPaper SubmissionsSimilarity Report GenerationPaper Submissions(v2) Paper Submissions Processing
identified
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.
identified
Users can now upload files without an error message but they may find a delay in processing.
resolved
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.
Turnitin UK Feedback Studio AccessTurnitin ClarityTurnitin Feedback Studio AccessTurnitin Clarity
identified
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.
identified
We are continuing to work on a fix for this issue.
resolved
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.
Turnitin Service Incident - 15th June 2026
开始时间 2026年6月15日 UTC 01:00 · 0m
Pending
resolved
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.
Turnitin Service Incident - 11th June 2026
开始时间 2026年6月11日 UTC 23:00 · 0m
Pending
resolved
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.
Turnitin Service Incident - 10th June 2026
开始时间 2026年6月10日 UTC 04:00 · 0m
Pending
resolved
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.
Turnitin Service Incident - 3rd of June 2026
开始时间 2026年6月4日 UTC 00:42 · 1h 6m
Outage严重事件
受影响的组件
Turnitin Feedback Studio Grading AccessTurnitin UK LoginsTurnitin UK Feedback Studio AccessTurnitin ClarityiThenticate APITurnitin UK Feedback Studio Grading AccessiThenticate WebsiteTurnitin LoginsTurnitin.comTurnitin UK Paper SubmissionsTurnitin Feedback Studio AccessTurnitinuk.comTurnitin Paper SubmissionsTurnitin Clarity
identified
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.
identified
We are continuing to work on a fix for this issue.
monitoring
We're currently monitoring a fix for Turnitin and Turnitin UK, however, iThenticate V1 users are still affected.
resolved
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.
Turnitin Service Incident - 19th May 2026
开始时间 2026年5月19日 UTC 12:52 · 44m
Issues轻微事件
受影响的组件
Turnitin UK Feedback Studio AccessTurnitin ClarityTurnitin UK Feedback Studio Grading AccessTurnitinuk.com
identified
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.
resolved
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.
Turnitin Service Incident - May 7th 2026
开始时间 2026年5月7日 UTC 15:23 · 56m
Issues轻微事件
受影响的组件
Turnitin UK Report Processing TimeTurnitin Report Processing Time
identified
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.
resolved
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.
Turnitin Service Incident - 4th May 2026
开始时间 2026年5月4日 UTC 14:32 · 7h 37m
Issues轻微事件
受影响的组件
Report Processing TimeReport Processing TimeTurnitin UK Report Processing TimeTurnitin Report Processing TimeReport Processing Time
identified
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
resolved
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.
Turnitin Service Incident - 30th April 2026
开始时间 2026年4月30日 UTC 18:29 · 3h 8m
Issues轻微事件
受影响的组件
Turnitin Clarity
identified
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.
identified
We are continuing to work on a fix for this issue.
monitoring
A fix has been implemented and we are monitoring the results.
resolved
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.
Turnitin Service Incident - 30th April 2026
开始时间 2026年4月30日 UTC 12:16 · 1h 43m
Issues轻微事件
受影响的组件
Turnitin ClarityTurnitin Clarity
investigating
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.
resolved
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.
Turnitin Service Incident - 30th April 2026
开始时间 2026年4月30日 UTC 11:00 · 17m
Pending
resolved
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.
resolved
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.
Turnitin Service Incident - 24th March 2026
开始时间 2026年3月24日 UTC 13:30 · 0m
Pending
受影响的组件
Turnitin Feedback Studio Grading AccessTurnitin UK Feedback Studio AccessTurnitin UK Feedback Studio Grading AccessTurnitin Feedback Studio Access
resolved
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.
Turnitin Service Incident - 11th of March 2026
开始时间 2026年3月11日 UTC 16:38 · 1h 35m
Outage重大事件
受影响的组件
Turnitin Feedback Studio Grading AccessTurnitin UK LoginsTurnitin UK Feedback Studio AccessTurnitin UK Feedback Studio Grading AccessiThenticate WebsiteTurnitin LoginsTurnitin.comTurnitin Feedback Studio AccessTurnitinuk.com
identified
We’ve run into some issues.
Turnitin, Turnitin UK, Feedback Studio and iThenticate V1 are currently experiencing an unexpected service incident.
During this time, users may encounter an error message intermittently when accessing the Turnitin, Turnitin UK and iThenticate homepages. 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.
identified
We are continuing to work on a fix for this issue.
identified
iThenticate.com is now back to normal.
We’re continuing to work on the intermittent errors shown in Turnitin, Turnitin UK and Feedback Studio. Users accessing these services via an integration continue to be affected.
resolved
We’ve fixed it!
Due to an unexpected service incident, you may have encountered an error message when accessing the Turnitin, Turnitin UK and iThenticate homepages 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: Wednesday, 11th March 09:20 - Wednesday, 11th March 10:44
GMT: Wednesday, 11th March 16:20 - Wednesday, 11th March 17:44
AEDT: Thursday, 12th March 03:20 - Thursday, 12th March 04:44
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, iThenticate V1, iThenticate V2 and Crossref Similarity Check are currently experiencing an unexpected service incident.
During this time, users accessing the service via Shibboleth SSO may be unable to log in. Users accessing the service through other login methods are not affected.
We invite you to track the progress of this incident while we work to bring the service back to optimum health.
resolved
We’ve fixed it!
Due to an unexpected service incident, users of Turnitin, Turnitin UK, iThenticate V1, iThenticate V2 and Crossref Similarity Check might have experienced issues accessing the service when logging in via Shibboleth SSO today. We are pleased to advise that service has been restored.
The incident occurred between the following times:
PST: Tuesday, 3rd March 07:00 - Tuesday, 3rd March 09:48
GMT: Tuesday, 3rd March 15:00 - Tuesday, 3rd March 17:48
AEDT: Wednesday, 4th March 02:00 - Wednesday, 4th March 04:48
We regret any inconvenience this may have caused if you were impacted by today’s incident.