Sigfox outage history

The email service from the backend has been restored. All services should be nominal. We are still closely monitoring the situation and will continue investigating on the root cause. Incident reference CORP-30565 Severity S3 Service Impact Emails from the Sigfox backend were no longer delivered. This also concerned the MFA code for the login session. Start Date and Time 08/16/26 01:00 pm CEST End Date and Time 08/17/26 08:50 am CEST Root cause analysis Unexpected outage with our third-party email provider

Please be advised there is an incident on Sigfox network Analysis of the root cause is still on-going and will be communicated to you as soon as possible. Incident reference CORP-45409 Severity S2 Service Impact Uplink messages capture - UP Uplink message storage and archiving - UP Uplink callbacks dispatch - FAILING Uplink callbacks retrieval ("callback not sent" status) - WILL BE PARTIALLY AVAILABLE FOLLOWING THE INCIDENT Downlink sequences - FAILING Downlink customer platform call backs - FAILING API service - UP backend.sigfox.com access - UP Start Date and Time 04/13/26 02:09 AM CEST Root cause analysis Analysis on-going

The issue has been identified. Callbacks instances have been restarted following a lock of the services. Impact on callbacks success rate seems low due to retry mechanisms, only delayed dispatching. Downlink sequences have been impacted due to this delay. Backend portal is down but does not impact the connectivity services, messages are still processed.

The downlink service and the backend have been restored. All services should be nominal. We are still closely monitoring the situation and will continue investigating on the root cause. A Problem Management process will be held, and an Incident Report will be communicated as soon as we have determined the root cause.

The incident is confirmed as Resolved after the monitoring period. We will continue investigating and proceed to corrective actions, and build a detailed Incident Report

Please be advised there is an incident on Sigfox network Analysis of the root cause is still on-going and will be communicated to you as soon as possible. Incident reference CORP-43969 Severity S2 Service Impact Uplink messages capture - UP Uplink message storage and archiving - UP Uplink callbacks dispatch - DOWN Uplink callbacks retrieval ("callback not sent" status) - WILL BE PARTIALLY AVAILABLE FOLLOWING THE INCIDENT Downlink sequences - FAILING Downlink customer platform call backs - FAILING API service - FAILING backend.sigfox.com access - FAILING Start Date and Time 06/18/25 10:24 am CEST End Date and Time 06/18/25 10:42 am CEST Root cause analysis Analysis on-going

We are continuing to investigate this issue.

Incident is resolved, we are monitoring the situation.

This incident has been resolved.

Please be advised there is an incident on Sigfox network Analysis of the root cause is still on-going and will be communicated to you as soon as possible. Incident reference CORP-42784 Severity S2 Service Impact Uplink callbacks dispatch - DELAYED Downlink sequences - FAILING Start Date and Time 08/11/2024 03:20 am CET End Date and Time 08/11/2024 7:50 am CET Root cause analysis Analysis on-going

Please be advised that there was an incident on Sigfox network Analysis of the root cause is still on-going and will be communicated to you as soon as possible. Incident reference CORP-42160 Severity S3 Service Impact Uplink messages capture - DELAYED Uplink message storage and archiving - UP Uplink callbacks dispatch - DELAYED Downlink sequences - DEGRADED Downlink customer platform call backs - DEGRADED API service - DEGRADED backend.sigfox.com access - DEGRADED Start Date and Time 20/07/24 14:25 PM CET End Date and Time 20/07/24 14:50 PM CET Root cause analysis An incident occured for few minutes on the Sigfox Public Cloud, that delayed UL treatment, and thus may have impacted the downlink success rate during the incident time window. It was caused by a shut down of a VM (Virtual Machine) handlinga part of the live/hot database management. This was likely caused by our Cloud service provider. All services are back to nominal but we are monitoring the situation.

This incident has been resolved.

Please be advised there is an incident on Sigfox network Analysis of the root cause is still on-going and will be communicated to you as soon as possible. Incident reference CORP-41728 Severity S1 Service Impact AWS IOT callbacks - DOWN Geolocation - DOWN Start Date and Time 24-05-28 7:40 pm CEST Root cause analysis Analysis on-going

The AWS IOT Callbacks can't be delivered.

Due to an administrative error at one of our Cloud providers, critical Cloud services have been impacted and Geolocation services are down. The teams are working hard to put the system back on-line, both on UnaBiz and provider side. We expect full restore of the Cloud services before noon today European time, and affected services will then gradually come back online along the day. Sorry again for the inconvenience Best Regards

Service Impact : AWS IOT callbacks - UP/MONITORING Geolocation - DOWN

Service Impact : AWS IOT callbacks - UP/MONITORING Geolocation - UP/MONITORING

The incident is now considered resolved, with all the services operational. Service Impact : AWS IOT callbacks - RESOLVED Geolocation - RESOLVED We sincerely apologize for the inconvenience. Unabiz Operations

The situation is degraded again. The delay on message processing is unexpectedly high since 12:16pm CET today : - Global delay in uplink messages processing. - Some downlink may fail as a consequence of the delay on the message processing. We are investigating and will update you as soon as the situation evolves.

The service is back to normal. We are monitoring the situation.

The incident is resolved. Monitoring shows nominal services quality since yesterday.

Please be advised there is an incident on Sigfox network Incident reference CORP-41086 Severity S1 Service Impact Uplink messages capture - UP Uplink message storage and archiving - UP Uplink callbacks dispatch - UP Downlink sequences - UP Downlink customer platform callbacks - UP API service - UP backend.sigfox.com access - UP Start Date and Time 04/03/24 11:06 pm CET End Date and Time 05/03/24 1:40 am CET Root cause analysis Analysis on-going

We are continuing to investigate this issue.

Incident Severity escalated to S1

Root cause is still being analyzed. The main apps have been restarted and the service has been restored. The Uplink Callbacks delayed will be delivered soon.

Monitoring is stable since 1:40am CET. Global delay in message processing is cleared. Downlink is at nominal state since 6:16am CET. Incident report and root cause will be communicated soon.

Please be advised there was an incident on Sigfox network Analysis of the root cause is still on-going and will be communicated to you as soon as possible. Incident reference CORP-40345 Severity S3 Service Impact Uplink messages capture - DELAYED Uplink message storage and archiving - UP Uplink callbacks dispatch - DELAYED Downlink sequences - DEGRADED Downlink customer platform call backs - DEGRADED API service - DEGRADED backend.sigfox.com access - DEGRADED Start Date and Time 11/08/23 14:30 PM CET End Date and Time 11/08/23 14:45 PM CET Root cause analysis An incident occured for 15mn on the Sigfox Public Cloud, that delayed UL treatment, and thus may have impacted the downlink success rate during the incident time window. Analysis of the root cause is still on-going.

Please be advised there is an incident on Sigfox network Analysis of the root cause is still on-going and will be communicated to you as soon as possible. Incident reference CORP-40013 Severity S2 Service Impact Uplink messages capture - DEGRADED Uplink message storage and archiving - UP Uplink callbacks dispatch - UP Downlink sequences - DEGRADED Downlink customer platform call backs - DEGRADED API service - UP backend.sigfox.com access - UP Start Date and Time 09/26/23 10:50 am CET End Date and Time 09/26/23 15:50 am CET Root cause analysis The analysis is done. For details, please contact your Sigfox operator directly.

We are continuing to investigate this issue.

This incident has been resolved.

Please be advised there is an incident on Sigfox network Analysis of the root cause is still on-going and will be communicated to you as soon as possible. Incident reference CORP-39012 Severity S2 Service Impact Uplink messages capture - UP Uplink message storage and archiving - UP Uplink callbacks dispatch - UP Uplink callbacks retrieval ("callback not sent" status) - WILL BE PARTIALLY AVAILABLE FOLLOWING THE INCIDENT Downlink sequences - UP Downlink customer platform call backs - UP API service - UP backend.sigfox.com access - UP Start Date and Time 04/02/23 02:13 pm CEST Root cause analysis Analysis on-going

A fix has been implemented and we are monitoring the results.

The incident was resolved and message processing was back to normal at 3:12 pm CEST.

Please be advised there is an incident on Sigfox network Analysis of the root cause is still on-going and will be communicated to you as soon as possible. Incident reference CORP-38898 Severity S3 Service Impact Some OpenVPN stations could not establish a VPN tunnel to the Cloud. Start Date and Time 04/16/23 10:45 am CEST Root cause analysis Root cause has been identified.

We are continuing to work on a fix for this issue.

This incident has been resolved.

Please be advised there is an incident on the BUY platform (BSS). Analysis of the root cause is still on-going and will be communicated to you as soon as possible. Incident reference CORP-38790 Severity S2 Service Impact BUY purchases - DOWN Start Date and Time 31/03/23 01:40 pm CEST End Date and Time -- Root cause analysis Analysis on-going

The incident on the BUY platform (BSS) is now resolved. Incident reference CORP-38790 Severity S2 Service Impact BUY purchases - UP Start Date and Time 31/03/23 01:40 pm CEST End Date and Time 31/03/23 02:58pm CEST Root cause analysis BUY platform temporary overload

Please be advised there is an incident on Sigfox network Analysis of the root cause is still on-going and will be communicated to you as soon as possible. Incident reference CORP-38578 Severity S3 Service Impact Uplink messages capture - UP Uplink message storage and archiving - UP Uplink callbacks dispatch - DELAYED Uplink callbacks retrieval ("callback not sent" status) - IMPACTED/WILL BE PARTIALLY AVAILABLE FOLLOWING THE INCIDENT Downlink sequences - DEGRADED Downlink customer platform call backs - DEGRADED API service - UP backend.sigfox.com access - UP Start Date and Time 08/03/23 10:42 am CET End,Date and Time 08/03/23 10:50 am CET Root cause analysis Analysis on-going

This incident has been resolved.

Please be advised there was an incident on Sigfox network Incident reference CORP-38275 Severity S3 Service Impact Uplink messages capture - DELAYED (from 3:12PM to 3:17PM CET) Uplink message storage and archiving - UP Uplink callbacks dispatch - DELAYED (from 3:12PM to 3:57PM CET) Downlink sequences - FAILING (from 3:12PM to 3:17PM CET) Downlink customer platform call backs - UP API service - UP backend.sigfox.com access - UP Start Date and Time 30/01/23 03:12 pm CET End Date and Time 30/01/23 03:57 pm CET Root cause analysis Service has been restored following this temporary outage, Issue due to an application communication issue during daily maintenance operation.

The incident has been resolved and is now closed.

Please be advised there is an incident on Sigfox backend Incident reference CORP-37882 Severity S3 Service Impact Service Map coverage is not displayed for all countries Start Date and Time 2022-11-28 13:30 UTC End Date and Time 2022-11-29 17:10 UTC Root cause analysis A bug on user rights regarding the Service Map has been introduced with OSS version 11.10.

This incident has been resolved.

Please be advised there is an on-going incident on Sigfox network. Incident reference CORP-37183 Severity S1 Service Impact Callbacks delay Downlink success rate drop Portal GUI access unavailabilities API error with 500 and 502 codes Registration jobs delay (device registration/transfer, base station registration...) Start/End Date and Time 17/08/22 from 11:23 AM CET to 13:40 PM CET Root cause analysis Database performance drop causing overall service impact.

We are continuing to investigate this issue.

All portals have been restarted and services are back up again. Base stations are progressively unqueuing the stored messages during the incident. We keep monitoring the system closely.

The incident has been resolved and all services are back to normal.

Please be advised there is an incident on Sigfox network Incident reference CORP-36814 Severity S3 Service Impact Downlink sequences FAILING Start Date and Time 2022/07/05 21:10 UTC End Date and Time 2022/07/05 23:37 UTC Root cause analysis Unexpected amount of simultaneous DL requests caused the database lock due to overload.

This incident has been resolved.

Dear partners, Please be advised that an incident is OPEN. Analysis of the root cause is still on-going and will be communicated to you as soon as possible. Incident reference CORP-36771 Severity S3 Service Impact Downlink sequences FAILING Start Date and Time 2022/07/02 11:30 pm CET Root cause analysis Analysis on-going

Dear partners, Please be advised that an incident is OPEN. Analysis of the root cause is still on-going and will be communicated to you as soon as possible. Incident reference CORP-36771 Severity S2 Service Impact Downlink sequences FAILING Start Date and Time 2022/07/02 11:30 pm CEST Root cause analysis Analysis on-going

Dear partners, Please be advised that an incident is OPEN. Analysis of the root cause is still on-going and will be communicated to you as soon as possible. Incident reference CORP-36771 Severity S2 Service Impact Uplink messages capture DELAYED Uplink callbacks dispatch DEGRADED Downlink sequences FAILING Start Date and Time 2022/07/02 11:30 pm CEST Root cause analysis Analysis on-going

We are continuing to investigate this issue.

Dear partners, Please be advised that incident is RESOLVED. Incident reference CORP-36771 Severity S2 Service Impact Uplink messages capture DELAYED Uplink callbacks dispatch DEGRADED Downlink sequences FAILING Start Date and Time 2022/07/02 11:30 pm CEST Stop Date and Time 2022/07/03 05:26 am CEST Root cause analysis Unexpected amount of simultaneous DL requests caused the database lock due to overload.

Please be advised there is an incident on Sigfox network Analysis of the root cause is still on-going and will be communicated to you as soon as possible. Incident reference CORP-36531 Severity S3 Service Impact Backend web interface could not be accessed Incoming API requests have been refused Start Date and Time 06/02/22 9:21 am UTC End Date and Time 06/02/22 9:23 am UTC Root cause analysis Analysis on-going