OCTAPLUSUK - Emergency Service Outage Notification - Slough – Incident details

MS3 NETWORKS experiencing major outage

Emergency Service Outage Notification - Slough

Resolved
Major outage
Started about 1 year agoLasted about 10 hours

Affected

CITYFIBRE

Major outage from 2:27 PM to 12:14 AM

Slough

Major outage from 2:27 PM to 12:14 AM

Updates
  • Resolved
    UTC
    Resolved

    Update:

    CityFibre is pleased to confirm that the issue was successfully resolved at 01:14 on 01/07/2025. The issue was resolved by reloading the configuration, restoring full-service functionality.

  • Update
    UTC
    Update

    Update No: 3 Incident Start Time: 14:00 30/06/2025 Summary Update: The Major Incident Team has received an ETA for ERS and FLM of 18:45 and 18:40 respectively. In the meantime, the vendor responsible for the active equipment are continuing to investigate the hardware. The Major Incident Team continues to closely monitor the situation and will ensure that all necessary actions are taken to achieve a full resolution.

  • Update
    UTC
    Update

    Update No: 2 Incident Start Time: 14:00 30/06/2025 Summary Update: The Major Incident Team has dispatched both FLM and ERS engineers to the site to investigate the root cause of the incident. We are currently awaiting ETA updates for both teams. In parallel, we have raised an incident with the vendor responsible for the active equipment to assess any potential faults within the hardware or software. The Major Incident Team continues to closely monitor the situation and will ensure that all necessary actions are taken to achieve a full resolution.

  • Monitoring
    UTC
    Monitoring
    Update: Incident Start Time: 14:00 30/06/2025 Summary Update: The Major Incident Team are currently investigating an incident that is impacting affecting 5000+ national FTTH and FTTP business customers. We are working to identify the issue and resolve the issue as quickly as possible. Next update at: 16:30
  • Identified
    UTC
    Identified

    Major Incident - Core link down between London (LON5) and Slough (SLO664)
    Update:
    We are aware of an ongoing incident affecting a number of services. Our Engineers are conducting preliminary investigations to determine the comprehensive Service Impact Analysis. We apologise for the inconvenience caused. Our main priority is to deliver the levels of service that our customers deserve and as such we have invoked our Major Incident Process. CityFibre are working to affect a full restoration as soon as possible. We will continue to issue regular updates until all services have been restored.