Exclaimer incident
Azure Front Door Request are failing intermittently
Exclaimer experienced a major incident on October 9, 2025 affecting Zoom Meetings and UK: Client Side: Signature Application - Office 365 and 1 more component, lasting 6h 25m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- identified Oct 09, 2025, 10:34 AM UTC
Exclaimer engineers are aware of an issue that is impacting the Azure Front Door service which is having an impact on services such as the Exclaimer Add-in, Exclaimer Meeting Branding, or when attempting to download some files from our Website. More information can be seen on Microsoft's Azure Status page: https://azure.status.microsoft/en-gb/status We are actively monitoring the situation and will provide updates as this progresses.
- identified Oct 09, 2025, 10:58 AM UTC
Microsoft has advised the following information "We understand that this is due to a dependency on some underlying Kubernetes instances which crashed, we have been restarting these underlying Kubernetes instances and these instances coming back online." Microsoft believes the issue will be resolved in the next 90 minutes for all impacted customers. Our internal monitoring is indicating that the number of warnings has reduced as well. Another update will be provided once we have confirmation that the issue is fully resolved.
- monitoring Oct 09, 2025, 11:47 AM UTC
Microsoft has successfully recovered 96% of impacted resources, and services are no longer displaying errors as expected. Exclaimer Engineers are monitoring for any remaining issues that may be caused by this incident.
- monitoring Oct 09, 2025, 04:48 PM UTC
Microsoft has addressed the primary issue, and Exclaimer Engineers are continuing to monitor for any further issues.
- resolved Oct 09, 2025, 04:59 PM UTC
Microsoft have now declared the issue as resolved. We have reached out to Microsoft to request further details for the post-mortem.