Major incident

Cardiff University: Access to Student Records (SIMS)

Affected: Student Records (SIMS Online)

Current status of Cardiff University: Operational — live Cardiff University status

Timeline

1. Aug 7, 2026, 08:13 UTC
   investigating
   We are aware of an issue affecting access to SIMS for some users. Our technical teams are currently investigating and will provide further updates as soon as more information becomes available.
2. Aug 7, 2026, 08:32 UTC
   identified
   The cause of the SIMS access issue has now been identified, and our engineers are actively restoring access for affected users. Users who are unable to log in are advised to retry periodically, as access is being restored on an ongoing basis.
3. Aug 7, 2026, 12:10 UTC
   resolved
   The issue affecting access to SIMS has now been resolved. All services are operating normally, and impacted users should now be able to log in successfully. Thank you for your patience while we investigated and resolved this issue.

Updates as published by Cardiff University (original).