Exclaimer experienced a major incident on January 15, 2025 affecting UK: Client Side: Signature Application - Office 365 and AU: Client-Side: Signature Application - Office 365 and 1 more component, lasting 1h 8m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jan 15, 2025, 01:11 AM UTC
Exclaimer Add-In Preview pane is displaying "Page Not Found". Customers are still able to utilise Add In auto apply.
- resolved Jan 15, 2025, 02:19 AM UTC
Engineers have confirmed that the previous service alert has been resolved. The service is now back to full health and is working as normal. Thank you for your patience.
- postmortem Jan 22, 2025, 06:32 AM UTC
Issue: Exclaimer Add-In Preview Error Incident Length: 1 hour and 18 minutes Incident Date: Jan 15, 2025 01:18 am UTC to Jan 15, 2025 02:19 am UTC Incident Status: Resolved **Summary** Customers reported encountering error “Page Not Found” with Exclaimer Add-In Preview pane. Customers are still able to utilise Add In auto apply. This issue has impacted all regions' subscriptions. Going forwards, an action group rule in Azure service health has been created to send alerts internally when there are service issues, planned maintenance, health or security advisory alerts to prevent similar issues in the future. **Root Cause** Due to the domain validation on the CDN failing during the migration, the add-in failed to connect to the endpoint. This resulted in the preview pane not displaying any signatures, and displaying the 'Page Not Found' error. **Incident Timeline** 01:18am UTC – Alerting advised to a failure to preview signatures in Exclaimer Add In preview pane. 01:30am UTC – Investigation indicated that the domain validation on the CDN failed during the migration. 01:50am UTC – Engineering confirmed that the preview pane is back up. 02:19am UTC – Several customers confirmed that issue is resolved status changed to resolved.