ITS Technology Group experienced a major incident on October 16, 2026 affecting Mayfair, lasting 5h 36m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Oct 16, 2026, 11:25 AM UTC
We are aware of an outage affecting multiple customers on the Marylebone/Mayfair network. We have raised this to our engineers to attend the fault location to start investigations. Next update: 13:30
- investigating Oct 16, 2026, 12:32 PM UTC
Our engineers are due on site at the fault location at 13:45 - 14:00 Update to follow after initial investigations have been completed. Next update: 14:30
- investigating Oct 16, 2026, 01:31 PM UTC
Our engineer has arrived on site and is currently carrying out investigations into the fault. Next update: 15:30.
- monitoring Oct 16, 2026, 03:18 PM UTC
Our engineers attended site and identified a fault within the FWDP. The fibre cable was reseated, which successfully restored connectivity. If you continue to experience any issues, please reseat the fibre cable connected to the Adtran device and perform a reboot. Should you require any further assistance, please contact our support team.
- resolved Oct 16, 2026, 05:02 PM UTC
This incident has been resolved.