Email ticket creation disrupted – Microsoft 365 outage
Update - Microsoft reports that it is testing a configuration change to address a problem causing servers to fail automated health checks and become unavailable. It is also restarting affected servers and monitoring their return to service.

Recovery has not yet been confirmed, and no restoration time has been provided. Our Helpdesk Ticketing System remains degraded: tickets and acknowledgements raised via email may be delayed. Please use the customer portal on our website to raise support requests while the disruption continues.

Microsoft references: EX1550543 / MO1550821.
Nov 12, 2026 - 21:04 GMT
Update - Microsoft reports that servers unexpectedly becoming unavailable have increased the load on its remaining infrastructure. It is working to restore the affected servers and redistribute traffic to reduce the disruption. Microsoft has not yet confirmed recovery or provided a restoration time.

Support requests raised by email may still be delayed in reaching our ticketing system. Please raise requests directly through the customer portal on our website while the issue continues. Our Helpdesk Ticketing System remains degraded.

Microsoft references: EX1550543 / MO1550821.
Nov 12, 2026 - 20:03 GMT
Identified - Microsoft has confirmed an Exchange Online incident affecting access to mailboxes through multiple connection methods, under reference EX1550543. Microsoft is investigating the disruption.

This is affecting our processing of support requests raised by email. Ticket creation and email acknowledgements may be delayed. Please raise support requests directly through the customer portal on our website while the disruption continues.

Our Helpdesk Ticketing System remains degraded. We have no confirmed restoration time and will provide further updates as more information becomes available.
Nov 12, 2026 - 19:14 GMT
Investigating - We are investigating disruption to support tickets raised by email. Messages sent to our support email address may be delayed in reaching the ticketing system, so ticket creation and acknowledgements may also be delayed.

We suspect this is related to the current Microsoft 365 service disruption and are checking the impact on our email integration.

If you need support, please raise your request directly through the customer portal on our website. There is currently no confirmed time for normal email ticket processing to resume. Further updates will follow as more information becomes available.
Nov 12, 2026 - 18:56 GMT

About This Site

This is Exascale's (AS61049) status page, where you can find updates on how our UK network is doing. If there are interruptions to service, we will post a note here.

As always, if you are experiencing any issues with your Exascale service, don't hesitate to get in touch with us at support@exascale.co.uk and we'll get back to you as soon as we can.

Uptime over the past 90 days. View historical uptime.
Exascale - Core and Edge Networks Operational
LHR0 - Telehouse North, London, UK Operational
WLV0 - Exascale, Wolverhampton, UK Operational
MCR0 - Datum, Manchester, UK Operational
TEL0 - Exascale, Telford, UK Operational
AMS0 - Nikhef, Amsterdam, NL Operational
LHR1 - Telehouse West, London Operational
MCR1 - Lunar Digital, Manchester Operational
FRA0 - NTT Data, Frankfurt, Germany Operational
Exascale - Full Fibre Networks Operational
Telford Operational
West Bromwich Operational
Wolverhampton Operational
Exascale - VoIP Operational
VoIP SBC Operational
Exascale - Wholesale Services Operational
Sky Business Wholesale Operational
Vodafone WDSL Operational
Vodafone Ethernet Operational
NeoNetworks Ethernet Operational
CityFibre Operational
ITS Operational
Virgin Media Operational
Exascale - Business Systems Degraded Performance
Telephone Operational
Email Operational
Helpdesk Ticketing System Degraded Performance
Forward and Reverse DNS Zones Operational
Website DDOS Protection Operational
Transactional Email Service Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

Nov 13, 2026

No incidents reported today.

Nov 12, 2026

Unresolved incident: Email ticket creation disrupted – Microsoft 365 outage.

Nov 11, 2026

Scheduled maintenance – Colt LHR0–AMS0 link
Completed - The planned maintenance on the London (LHR0) to Amsterdam (AMS0) link is now complete. The affected link is back in service, and this maintenance is closed.

Colt reference: CRQ1-87036818308.
Nov 11, 09:23 GMT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 10, 21:00 GMT
Scheduled - Colt will carry out planned maintenance affecting our 100Gbps London (LHR0) to Amsterdam (AMS0) link from 21:00 GMT on Tuesday 10 November to 03:00 GMT on Wednesday 11 November 2026.

Colt estimates up to 300 minutes of interruption to the link within this six-hour window. Engineers will replace an attenuator and recalibrate equipment in Amsterdam to address hardware degradation. The window includes time to revert the change if required.

Connectivity using this link may be interrupted during the work. We will provide a further update when Colt confirms completion.

Colt reference: CRQ1-87036818308.
Nov 10, 20:50 GMT

Nov 10, 2026

Scheduled maintenance – LINX LON1 peering, London
Completed - LINX confirmed at 00:43 GMT on 10 November 2026 that this maintenance was completed successfully, with no indication of impact to member traffic. This maintenance is now complete.

LINX reference: 3c6c3260-01e3-4254-8455-fd4c2e677a78.
Nov 10, 20:47 GMT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 10, 00:00 GMT
Scheduled - LINX will carry out emergency maintenance on switching equipment serving its London LON1 peering network on Tuesday 10 November 2026 between 00:00 and 06:00 GMT (UTC).

Some connections to other networks may be interrupted during the work. Traffic may temporarily take alternative routes, which could cause brief interruptions or increased latency for some destinations. The six-hour period is the maintenance window; the duration of any interruption has not been confirmed.

We will monitor our peering connections during the window and provide updates as confirmed information becomes available.

LINX reference: 3c6c3260-01e3-4254-8455-fd4c2e677a78.
Nov 9, 12:54 GMT

Nov 9, 2026

No incidents reported.

Nov 8, 2026

No incidents reported.

Nov 7, 2026

Recurring intermittent connectivity – Vodafone DSL Interconnect, Manchester
Resolved - Exascale’s checks indicate that the SFP optical transceiver has been replaced and errors are no longer being observed on the port facing Vodafone. Service is operational. The service interruption is resolved and the emergency maintenance is completed.

Update following Vodafone’s formal confirmation received on 7 November 2026 at 14:26 GMT: Vodafone has confirmed that the SFP optical transceiver replacement at its Manchester core site was completed at 05:26:05 GMT on 7 November 2026. Vodafone monitored the link for 60 minutes after the replacement and observed no flapping. At the time of its update, Vodafone reported that the link had remained stable for more than six hours and confirmed that the fault was resolved.

We apologise for the disruption and thank customers for their patience. Vodafone references: FLT13771188 / EAHE05714663.
Nov 7, 09:48 GMT
Update - Vodafone’s latest update at 01:57 GMT confirms that a field engineer has been assigned, with an estimated arrival at its Manchester network site of 02:57 GMT on Saturday 7 November 2026 to carry out the planned SFP replacement. This is an engineer arrival estimate, not a confirmed service restoration time.

The approved emergency maintenance window remains 01:00–05:00 GMT. Customers using the Manchester Vodafone DSL interconnect may experience interrupted connectivity during the work. Vodafone has not yet confirmed that the replacement has started or been completed.

Vodafone will provide a further update by 06:00 GMT on 7 November at the latest, or sooner following the engineer visit. We will share confirmed progress as it becomes available.

We apologise for the ongoing disruption. Vodafone references: FLT13771188 / EAHE05714663.
Nov 7, 02:17 GMT
Update - Vodafone’s Transmission Engineering team has reviewed the fault and arranged for a field engineer to attend its network site to inspect and replace the SFP optical transceiver. Replacement parts have been ordered and are in transit to the engineer. The engineer will attend and carry out the work once the parts are available; Vodafone has not yet confirmed that the replacement has started.

The approved emergency maintenance window is 01:00–05:00 GMT on Saturday 7 November 2026. Customers using the Manchester Vodafone DSL interconnect may experience interrupted connectivity during this window.

If the SFP replacement does not resolve the fault, Vodafone will arrange an engineer visit to the customer site for further investigation.

Vodafone has committed to a further update by 03:00 GMT on 7 November, or sooner if progress is confirmed. We apologise for the ongoing disruption.

Vodafone references: FLT13771188 / EAHE05714663.
Nov 7, 01:18 GMT
Update - Emergency maintenance has been approved for Saturday 7 November 2026 between 01:00 and 05:00 GMT. Vodafone will replace the SFP optical transceiver at its Manchester core site to address the recurring fault on the DSL interconnect.

Customers using the Vodafone DSL interconnect may experience a loss of connectivity while the swap is carried out within this window. The four-hour window is the maintenance window; the exact duration of any interruption has not been confirmed.

Vodafone WDSL remains degraded pending the work and subsequent stability checks. We will provide further updates as the maintenance progresses.

Vodafone references: FLT13771188 / EAHE05714663.
Nov 6, 22:04 GMT
Identified - The issue has been identified and a fix is being implemented.
Nov 6, 21:53 GMT
Investigating - The intermittent fault affecting the Vodafone DSL interconnect in Manchester has returned following the earlier period of stability. Customers using this interconnect may experience intermittent connectivity. We have returned Vodafone WDSL to Degraded Performance while the recurrence is investigated.

Vodafone’s existing fault references are FLT13771188 / EAHE05714663. The proposed SFP replacement at Vodafone’s Manchester core site remains pending confirmation of a maintenance date and time. There is currently no confirmed restoration time.

This is a recurrence of the earlier incident: https://status.exascale.co.uk/incidents/tx73w8r7qkd0

We apologise for the renewed disruption and will provide further updates as more information becomes available.
Nov 6, 21:28 GMT
Emergency maintenance – Vodafone Manchester DSL interconnect SFP replacement
Completed - Exascale’s checks indicate that the SFP optical transceiver has been replaced and errors are no longer being observed on the port facing Vodafone. Service is operational. The service interruption is resolved and the emergency maintenance is completed.

Update following Vodafone’s formal confirmation received on 7 November 2026 at 14:26 GMT: Vodafone has confirmed that the SFP optical transceiver replacement at its Manchester core site was completed at 05:26:05 GMT on 7 November 2026. Vodafone monitored the link for 60 minutes after the replacement and observed no flapping. At the time of its update, Vodafone reported that the link had remained stable for more than six hours and confirmed that the fault was resolved.

We apologise for the disruption and thank customers for their patience. Vodafone references: FLT13771188 / EAHE05714663.
Nov 7, 09:48 GMT
Update - Vodafone’s latest update at 01:57 GMT confirms that a field engineer has been assigned, with an estimated arrival at its Manchester network site of 02:57 GMT on Saturday 7 November 2026 to carry out the planned SFP replacement. This is an engineer arrival estimate, not a confirmed service restoration time.

The approved emergency maintenance window remains 01:00–05:00 GMT. Customers using the Manchester Vodafone DSL interconnect may experience interrupted connectivity during the work. Vodafone has not yet confirmed that the replacement has started or been completed.

Vodafone will provide a further update by 06:00 GMT on 7 November at the latest, or sooner following the engineer visit. We will share confirmed progress as it becomes available.

We apologise for the ongoing disruption. Vodafone references: FLT13771188 / EAHE05714663.
Nov 7, 02:18 GMT
Update - Vodafone’s Transmission Engineering team has reviewed the fault and arranged for a field engineer to attend its network site to inspect and replace the SFP optical transceiver. Replacement parts have been ordered and are in transit to the engineer. The engineer will attend and carry out the work once the parts are available; Vodafone has not yet confirmed that the replacement has started.

The approved emergency maintenance window is 01:00–05:00 GMT on Saturday 7 November 2026. Customers using the Manchester Vodafone DSL interconnect may experience interrupted connectivity during this window.

If the SFP replacement does not resolve the fault, Vodafone will arrange an engineer visit to the customer site for further investigation.

Vodafone has committed to a further update by 03:00 GMT on 7 November, or sooner if progress is confirmed. We apologise for the ongoing disruption.

Vodafone references: FLT13771188 / EAHE05714663.
Nov 7, 01:20 GMT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 7, 01:00 GMT
Scheduled - Vodafone will carry out an approved emergency SFP optical transceiver replacement at its Manchester core site on Saturday 7 November 2026 between 01:00 and 05:00 GMT to address the recurring fault affecting the Manchester DSL interconnect.

Customers using this interconnect may experience a loss of connectivity while the swap is carried out. This is a four-hour maintenance window; the exact duration of any service interruption has not been confirmed.

We will provide updates as work progresses and confirm service stability after the work.

Related incident: https://status.exascale.co.uk/incidents/sr10nqqrq3w7
Vodafone references: FLT13771188 / EAHE05714663.
Nov 6, 22:05 GMT

Nov 6, 2026

Intermittent connectivity – Vodafone DSL Interconnect, Manchester
Resolved - Vodafone has confirmed that the Manchester DSL interconnect has been stable since 15:47 GMT on 6 November 2026. Service is operational, and this service interruption is now resolved.

Vodafone’s fault ticket remains open for follow-up checks and a proposed SFP replacement at its Manchester core site. We will arrange and announce emergency maintenance separately once Vodafone confirms a date and time. No maintenance window is currently confirmed.

We apologise for the disruption caused. Vodafone references: FLT13771188 / EAHE05714663.
Nov 6, 18:46 GMT
Monitoring - Vodafone has advised that the Manchester DSL interconnect has remained stable since 15:47 GMT on 6 November 2026. We have moved this incident to Monitoring and marked Vodafone WDSL as Operational based on this reported stability.

Vodafone has reduced its incident severity to 3 and requested agreement to temporarily interrupt the link to replace an SFP optical transceiver at its Manchester core site. The replacement has not yet been agreed or scheduled; any planned interruption will be communicated once arrangements are confirmed.

The Vodafone fault ticket remains open for further checks. We will provide a further update when more information is available.

Vodafone references: FLT13771188 / EAHE05714663.
Nov 6, 17:50 GMT
Investigating - We are investigating an intermittent fault affecting the Vodafone DSL interconnect in Manchester. We are seeing elevated errors on the port facing Vodafone and repeated drops in the BGP routing session. Customers using this interconnect may experience intermittent connectivity.

Vodafone has logged a Severity 1 incident under reference FLT13771188 (EAHE05714663).

There is currently no confirmed restoration time. We apologise for the disruption and will provide further updates as more information becomes available.
Nov 6, 14:04 GMT
Openreach emergency Ethernet maintenance – Wheaton Aston
Completed - The scheduled maintenance has been completed.
Nov 6, 13:51 GMT
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Oct 24, 06:00 BST
Scheduled - Openreach has advised of emergency planned Ethernet maintenance at Wheaton Aston on Saturday 24 October 2026, from 06:00 to 16:00 BST.

The work involves a cable diversion due to road/building works. Openreach advises that the affected Ethernet service will experience a full loss of service during the 10-hour maintenance window.

Openreach maintenance reference: PW296333.
Oct 10, 12:01 BST

Nov 5, 2026

No incidents reported.

Nov 4, 2026

No incidents reported.

Nov 3, 2026

No incidents reported.

Nov 2, 2026

No incidents reported.

Nov 1, 2026

No incidents reported.

Oct 31, 2026

No incidents reported.

Oct 30, 2026

No incidents reported.

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