Critical incident

Cardiff University: Unplanned Network Outage

Affected: Wired Network Connectivity

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

Timeline

1. Aug 17, 2026, 08:02 UTC
   investigating
   University IT is aware of an issue with the University Network and technical staff are currently investigating. Early calls suggest it may only be affecting wired network connections rather than WiFi. Further updates will follow as more information becomes available. We apologise for any inconvenience this is causing.
2. Aug 17, 2026, 09:57 UTC
   monitoring
   A fix has been implemented and we are monitoring the results. Please inform the Service desk if you continue to experience any wired network issues.
3. Aug 21, 2026, 07:51 UTC
   resolved
   The incident has been resolved.

Updates as published by Cardiff University (original).