Fivetran incident
Fivetran: SharePoint and Microsoft Lists connections are failing with error "Authentication failed: The client secret or certificate has expired"
Fivetran experienced a minor incident on April 28, 2026 affecting General Services, lasting 5h 9m. The incident has been resolved; the full update timeline is below.
Affected components
General Services
Update timeline
- identified Apr 28, 2026, 01:10 AM UTC
The issue has been identified and we are working to resolve it.
- identified Apr 28, 2026, 01:45 AM UTC
Fivetran's OAuth app secret key has expired, and the team is working on creating new secret key credentials to fix the issue.
- monitoring Apr 28, 2026, 03:20 AM UTC
A fix has been implemented and we are monitoring the results.
- monitoring Apr 28, 2026, 03:21 AM UTC
A new secret key credential has been created to resolve the issue. Syncs are now recovering, and we are monitoring the results.
- resolved Apr 28, 2026, 06:20 AM UTC
We have resolved this incident.