Notice history

99.97% uptime

May 2025 · 99.90%Jun · 100.0%Jul · 100.0%

May 2025

Jun 2025

Jul 2025

100.0% uptime

May 2025 · 100.0%Jun · 100.0%Jul · 100.0%

May 2025

Jun 2025

Jul 2025

100.0% uptime

May 2025 · 100.0%Jun · 100.0%Jul · 100.0%

May 2025

Jun 2025

Jul 2025

99.99% uptime

May 2025 · 100.0%Jun · 99.99%Jul · 100.0%

May 2025

Jun 2025

Jul 2025

100.0% uptime

May 2025 · 100.0%Jun · 100.0%Jul · 100.0%

May 2025

Jun 2025

Jul 2025

100.0% uptime

May 2025 · 100.0%Jun · 100.0%Jul · 100.0%

May 2025

Jun 2025

Jul 2025

100.0% uptime

May 2025 · 100.0%Jun · 100.0%Jul · 100.0%

May 2025

Jun 2025

Jul 2025

100.0% uptime

May 2025 · 100.0%Jun · 100.0%Jul · 100.0%

May 2025

Jun 2025

Jul 2025

100.0% uptime

May 2025 · 100.0%Jun · 100.0%Jul · 100.0%

May 2025

Jun 2025

Jul 2025

100.0% uptime

May 2025 · 100.0%Jun · 100.0%Jul · 100.0%

May 2025

Jun 2025

Jul 2025

View current status

Jul 2025

Resolved
July 29, 2025 at 5:32 PMUTC
Resolved
July 29, 2025 at 5:32 PMUTC
CityFibre are pleased to inform you that the issue has been resolved at 18:32 29/07/2025. The issue was due to damaged fibre, spare fibre was used to restore service. Thank you for your patience during this time.
Monitoring
July 29, 2025 at 4:57 PMUTC
Monitoring
July 29, 2025 at 4:57 PMUTC
Major Incident Management can confirm that splicing work has commenced to address the identified partial cable damage. Progress is already underway, with one of the three affected fibres successfully spliced. Restoration of the remaining two fibres is scheduled to follow shortly. Current Impact There is no total outage at this time. However, customers may be experiencing severe latency and reduced service performance.
Identified
July 29, 2025 at 2:42 PMUTC
Identified
July 29, 2025 at 2:42 PMUTC
As of now, restoration efforts are actively progressing. Major Incident Management remains closely engaged and is working in collaboration with support teams to coordinate a comprehensive resolution to the issue. Further updates will be shared as progress continues. Current Impact There is no total outage at this time. However, customers may be experiencing severe latency and reduced service performance
Investigating
July 29, 2025 at 9:08 AMUTC
Investigating
July 29, 2025 at 9:08 AMUTC
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.

JUL23

CityFibre Planned Maintenance - 24/07/2025 - 00:01 - 06:00

CompletedMaintenance6 hours

Completed
July 24, 2025 at 5:01 AMUTC
Completed
July 24, 2025 at 5:01 AMUTC
Maintenance has completed successfully
In progress
July 23, 2025 at 11:01 PMUTC
In progress
July 23, 2025 at 11:01 PMUTC
Maintenance is now in progress
Planned
July 23, 2025 at 11:01 PMUTC
Planned
July 23, 2025 at 11:01 PMUTC
Dear Customer,

We are conducting planned maintenance on our network.

The maintenance details and the impact on your service(s) are:
What we are doing:
Network Maintenance
Customers will experience an outage during the maintenance window.
24/07/2025 - 00:01 - 06:00
We always do our best to complete maintenance work quickly and with as little disruption as possible.
Apologies for any inconvenience it may cause.

JUL22

CityFibre Planned Maintenance - 23/07/2025 - 00:01 - 06:00

CompletedMaintenance6 hours

Completed
July 23, 2025 at 5:01 AMUTC
Completed
July 23, 2025 at 5:01 AMUTC
Maintenance has completed successfully
In progress
July 22, 2025 at 11:01 PMUTC
In progress
July 22, 2025 at 11:01 PMUTC
Maintenance is now in progress
Planned
July 22, 2025 at 11:01 PMUTC
Planned
July 22, 2025 at 11:01 PMUTC
Dear Customer,

We are conducting planned maintenance on our network.
Location:
Great Yarmouth
The maintenance details and the impact on your service(s) are:
What we are doing:
Network Maintenance
Customers will experience a 30-minute outage during the maintenance window.
23/07/2025 - 00:01 - 06:00
We always do our best to complete maintenance work quickly and with as little disruption as possible.
Apologies for any inconvenience it may cause.

JUL21

CityFibre Planned Maintenance - 22/07/2025 - 00:01 - 06:00

CompletedMaintenance6 hours

Update
July 22, 2025 at 5:01 AMUTC
Update
July 22, 2025 at 5:01 AMUTC
Maintenance has completed successfully
Update
July 22, 2025 at 5:01 AMUTC
Update
July 22, 2025 at 5:01 AMUTC
Maintenance has completed successfully
Update
July 22, 2025 at 5:01 AMUTC
Update
July 22, 2025 at 5:01 AMUTC
Maintenance has completed successfully
Update
July 22, 2025 at 5:01 AMUTC
Update
July 22, 2025 at 5:01 AMUTC
Maintenance has completed successfully
Completed
July 22, 2025 at 5:01 AMUTC
Completed
July 22, 2025 at 5:01 AMUTC
Maintenance has completed successfully
In progress
July 21, 2025 at 11:01 PMUTC
In progress
July 21, 2025 at 11:01 PMUTC
Maintenance is now in progress
Planned
July 21, 2025 at 11:01 PMUTC
Planned
July 21, 2025 at 11:01 PMUTC
Dear Customer,

We are conducting planned maintenance on our network.

The maintenance details and the impact on your service(s) are:
What we are doing:
Network Maintenance
Customers will experience an outage during the maintenance window.
22/07/2025 - 00:01 - 06:00
We always do our best to complete maintenance work quickly and with as little disruption as possible.
Apologies for any inconvenience it may cause.

JUL20

CityFibre Planned Maintenance - 21/07/2025 - 00:01 - 06:00

CompletedMaintenance6 hours

Completed
July 21, 2025 at 5:01 AMUTC
Completed
July 21, 2025 at 5:01 AMUTC
Maintenance has completed successfully
In progress
July 20, 2025 at 11:01 PMUTC
In progress
July 20, 2025 at 11:01 PMUTC
Maintenance is now in progress
Planned
July 20, 2025 at 11:01 PMUTC
Planned
July 20, 2025 at 11:01 PMUTC
Dear Customer,

We are conducting planned maintenance on our network.
Location:
Sheffield
The maintenance details and the impact on your service(s) are:
What we are doing:
Network Maintenance
Customers will experience a 30-minute outage during the maintenance window.
21/07/2025 - 00:01 - 06:00
We always do our best to complete maintenance work quickly and with as little disruption as possible.
Apologies for any inconvenience it may cause.

Jun 2025

JUN30

CityFibre Planned Maintenance - 01/07/2025 - 00:01 - 06:00

CompletedMaintenance6 hours

Completed
July 01, 2025 at 5:01 AMUTC
Completed
July 01, 2025 at 5:01 AMUTC
Maintenance has completed successfully
In progress
June 30, 2025 at 11:01 PMUTC
In progress
June 30, 2025 at 11:01 PMUTC
Maintenance is now in progress
Planned
June 30, 2025 at 11:01 PMUTC
Planned
June 30, 2025 at 11:01 PMUTC
Dear Customer,

We are conducting planned maintenance on our network.
Location:
North Tyneside
Portsmouth
Sheffield
Horsham
Bath
Brighton & Hove
The maintenance details and the impact on your service(s) are:
What we are doing:
OLT Patching
Customers will experience a 30-minute outage during the maintenance window.
01/07/2025 - 00:01 - 06:00
We always do our best to complete maintenance work quickly and with as little disruption as possible.
Apologies for any inconvenience it may cause.

Resolved
July 01, 2025 at 12:14 AMUTC
Resolved
July 01, 2025 at 12:14 AMUTC
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
June 30, 2025 at 4:38 PMUTC
Update
June 30, 2025 at 4:38 PMUTC
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
June 30, 2025 at 3:54 PMUTC
Update
June 30, 2025 at 3:54 PMUTC
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
June 30, 2025 at 3:00 PMUTC
Monitoring
June 30, 2025 at 3:00 PMUTC
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
June 30, 2025 at 2:27 PMUTC
Identified
June 30, 2025 at 2:27 PMUTC
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.

JUN29

CityFibre Planned Maintenance - 30/06/2025 - 00:01 - 06:00

CompletedMaintenance6 hours

Completed
June 30, 2025 at 5:01 AMUTC
Completed
June 30, 2025 at 5:01 AMUTC
Maintenance has completed successfully
In progress
June 29, 2025 at 11:01 PMUTC
In progress
June 29, 2025 at 11:01 PMUTC
Maintenance is now in progress
Planned
June 29, 2025 at 11:01 PMUTC
Planned
June 29, 2025 at 11:01 PMUTC
Dear Customer,

We are conducting planned maintenance on our network.
Location:
Halifax
Hinckley
North Tyneside
Norwich
The maintenance details and the impact on your service(s) are:
What we are doing:
Configuration Migration
Customers will experience a 30-minute outage during the maintenance window.
30/06/2025 - 00:01 - 06:00
We always do our best to complete maintenance work quickly and with as little disruption as possible.
Apologies for any inconvenience it may cause.

JUN26

CityFibre Planned Maintenance - 27/06/2025 - 00:01 - 06:00

CompletedMaintenance6 hours

Completed
June 27, 2025 at 5:01 AMUTC
Completed
June 27, 2025 at 5:01 AMUTC
Maintenance has completed successfully
In progress
June 26, 2025 at 11:01 PMUTC
In progress
June 26, 2025 at 11:01 PMUTC
Maintenance is now in progress
Planned
June 26, 2025 at 11:01 PMUTC
Planned
June 26, 2025 at 11:01 PMUTC
Dear Customer,

We are conducting planned maintenance on our network.
Location:
High Wycombe
Newark on Trent
Edinburgh
Nottingham
Glasgow
Portsmouth
Sheffield
Sunderland
The maintenance details and the impact on your service(s) are:
What we are doing:
Router Configuration.
Customers will experience a 30-minute outage during the maintenance window.
27/06/2025 - 00:01 - 06:00
We always do our best to complete maintenance work quickly and with as little disruption as possible.
Apologies for any inconvenience it may cause.

JUN25

CityFibre Planned Maintenance - 26/06/2025 - 00:01 - 06:00

CompletedMaintenance6 hours

Completed
June 26, 2025 at 5:01 AMUTC
Completed
June 26, 2025 at 5:01 AMUTC
Maintenance has completed successfully
In progress
June 25, 2025 at 11:01 PMUTC
In progress
June 25, 2025 at 11:01 PMUTC
Maintenance is now in progress
Planned
June 25, 2025 at 11:01 PMUTC
Planned
June 25, 2025 at 11:01 PMUTC
Dear Customer,

We are conducting planned maintenance on our network.

The maintenance details and the impact on your service(s) are:
Location:
Blackpool
Bath
Lincoln
Barnsley
Havant
Northampton
Sheffield
Customers will experience a 30-minute outage during the maintenance window.
26/06/2025 - 00:01 - 06:00
We always do our best to complete maintenance work quickly and with as little disruption as possible.
Apologies for any inconvenience it may cause.

May 2025

MAY27

CityFibre Planned Maintenance - 28/05/2025 - 00:01 - 06:00

Planned11:01 PM – 11:01 PMUTC

Planned
May 27, 2025 at 11:01 PMUTC
Planned
May 27, 2025 at 11:01 PMUTC
Dear Customer,

We are conducting planned maintenance on our network.

The maintenance details and the impact on your service(s) are:
What we are doing:

OLT Patching
Customers will experience an outage during the maintenance window.
28/05/2025 - 00:01 - 06:00
We always do our best to complete maintenance work quickly and with as little disruption as possible.
Apologies for any inconvenience it may cause.

MAY20

CityFibre Planned Maintenance - 21/05/2025 - 00:01 - 06:00

CompletedMaintenance6 hours

Completed
May 21, 2025 at 5:01 AMUTC
Completed
May 21, 2025 at 5:01 AMUTC
Maintenance has completed successfully
Update
May 20, 2025 at 11:06 PMUTC
Update
May 20, 2025 at 11:06 PMUTC
Areas affected:
1. Kettering
2. Rothwell
3. Leicester
Update
May 20, 2025 at 11:01 PMUTC
Update
May 20, 2025 at 11:01 PMUTC
Maintenance is now in progress
In progress
May 20, 2025 at 11:01 PMUTC
In progress
May 20, 2025 at 11:01 PMUTC
Dear Customer,

Cityfibre is conducting planned maintenance on their network.

The maintenance details and the impact on your service(s) are:
What we are doing:

Software Migration
Customers will experience an outage during the maintenance window.
21/05/2025 - 00:01 - 06:00
We always do our best to complete maintenance work quickly and with as little disruption as possible.
Apologies for any inconvenience it may cause.

Resolved
May 14, 2025 at 8:29 AMUTC
Resolved
May 14, 2025 at 8:29 AMUTC
CityFibre is pleased to confirm that the issue was resolved at 21:46 May 13, 2025
Monitoring
May 13, 2025 at 7:26 PMUTC
Monitoring
May 13, 2025 at 7:26 PMUTC
Cityfibre: Following the successful transition of one of the three core fibre links into the newly installed joint, we can confirm that all services associated with this link have now been fully restored. Our on-site teams are now progressing with the restoration of the remaining two core links to bring all other affected services back online. Further updates will be provided as work continues.
Identified
May 13, 2025 at 5:30 PMUTC
Identified
May 13, 2025 at 5:30 PMUTC
13th May 2025 18:11
Major Incident Management has confirmed that one of the three core links has now been successfully cut, and work is actively underway to transition it into the newly installed joint. Once the fibre has been fully spliced and integrated, a confirmation of service restoration for affected traffic on this link will be provided at 20:00. Further updates will follow as progress continues on the remaining links.

Resolved
May 13, 2025 at 12:00 PMUTC
Resolved
May 13, 2025 at 12:00 PMUTC
This incident has been resolved.
Investigating
May 13, 2025 at 10:45 AMUTC
Investigating
May 13, 2025 at 10:45 AMUTC
Incident Start Time: 10:41 13/05/2025
Summary Update:
The Major Incident Team are currently investigating an incident that is causing significant service degradation and loss of service across the west and north of Scotland. We are working to identify the issue and resolve the issue as quickly as possible. Completed Actions:
• CityFibre NOC engaged
• CityFibre Network Engineering Engaged
• Major Incident Process Invoked

MAY13

MS3 EMERGENCY MAINTENANCE - DN31 -

CompletedMaintenance93 hours 22 minutes

Completed
May 17, 2025 at 7:22 AMUTC
Completed
May 17, 2025 at 7:22 AMUTC
Maintenance has completed successfully.
Planned
May 13, 2025 at 10:00 AMUTC
Planned
May 13, 2025 at 10:00 AMUTC
Date and time (from and to) of Change:
*13/05 FROM 11:00 TO 18:00*
Dear Customer,
MS3 are performing emergency maintenance, to replace equipment in the DN31 area with the affected streets listed below.
ALEXANDRA ROAD
FREDERICK STREET
RAVENSPURN WAY
SOUTH PARADE
TENNYSON MEWS
TENNYSON STREET
WHARFEDALE WAY

May 2025 to Jul 2025

OCTAPLUSUK - Notice history

MS3 NETWORKS experiencing major outage

Notice history

Jul 2025

Jun 2025

May 2025