Fivetran: Setup Tests and Schema Change Actions for All HD Connections Experiencing Failures

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:
Failures are occurring in setup tests and schema change actions across all Hybrid Deployment connections.

Timeline:
This issue began on 10/10/25 at 22:00 UTC and was resolved on 13/10/25 at 01:57 UTC.

Cause:
A recent code change affected setup tests and schema change actions for Hybrid

Resolution:
Reverted the change and applied the fix.

A fix has been implemented and we are monitoring the results.

We have identified the root cause, where a recent code change affected setup tests and schema change actions for Hybrid Deployment connections. A fix has been deployed, and the rollout is currently in progress.

We are closely monitoring the deployment and expect setup tests and schema change actions to return to normal operation once the rollout is complete.

A fix has been implemented and we are monitoring the results.

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