Outage in Fivetran

Fivetran: All SQL Server Connections on TLSv1 and TLSv1.1 Are Failing

Resolved Minor
September 12, 2025 - Started about 1 month ago - Lasted about 2 hours
Official incident page

Incident Report

The issue has been identified and we are working to resolve it.
Components affected
Fivetran SQL Server

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Latest Updates ( sorted recent to last )
RESOLVED about 1 month ago - at 09/12/2025 09:54AM

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:
We identified an issue that the SQL Server Connections on TLSv1 and TLSv1.1 Are Failing.

Timeline:
This issue began on September 11th 10:30 PM UTC and was resolved on September 12th 9:24 AM UTC.

Cause:
The issue was caused by a Java runtime upgrade that affected the TLS configuration.

Resolution:
A fix has been implemented and all affected connections have returned to normal functionality.

MONITORING about 1 month ago - at 09/12/2025 09:32AM

A fix has been implemented.
We will continue to monitor all affected connections until they resume their normal sync functionality.

IDENTIFIED about 1 month ago - at 09/12/2025 08:45AM

The issue has been identified and a fix is being implemented.

IDENTIFIED about 1 month ago - at 09/12/2025 08:10AM

The issue has been identified and we are working to resolve it.

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