Outage in Fivetran
Fivetran: Some Front Connectors Are Failing With a 401 Unauthorised Error
Resolved Minor
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Outage Details
The issue has been identified and we are working to resolve it.
Components affected
Fivetran FrontLatest Updates ( sorted recent to last )
RESOLVED
about 19 hours ago - at 05/08/2025 09:21PM
This incident has been resolved. We have observed that instance rates are returning to normal levels and affected connectors are syncing successfully.
Incident Summary
Description:
Some connector syncs were failing with a 401 Unauthorised error.
Timeline:
The issue started on May 8, 2025, at 10:50 UTC and was resolved on May 8, 2025, at 19:24 UTC.
Cause:
The issue was caused by a code change made to the connector that controls refreshing access tokens, which caused the syncs to fail.
Resolution:
The change was reverted, and all affected connectors have returned to normal functionality.
MONITORING
about 21 hours ago - at 05/08/2025 07:49PM
We’ve deployed a fix to address the issue. Connectors are recovering, and we are actively monitoring their progress.
IDENTIFIED
about 23 hours ago - at 05/08/2025 05:14PM
The issue has been identified and we are working to resolve it.
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