Fivetran: Multiple Hybrid Deployment Connections are failing
Incident
Report for Fivetran
Resolved
Incident Summary
Description:
We identified an issue where Hybrid Deployment connections were failing with a "Failed to generate data key for HD encryption context" or "Failed to receive message length" exception.
Timeline:
This issue began on June 17, 2026, at 08:10 UTC and was resolved on June 17, 2026, at 15:50 UTC.
Cause:
A recent code change introduced an issue affecting Hybrid Deployment connectors, specifically Oracle HVA and SQL Server HVA connectors. As a result, sync jobs for impacted connectors would start and then fail.
Resolution:
We reverted the problematic change and deployed a hotfix. After the fix was deployed, affected connectors began recovering and syncs started succeeding again.
Description:
We identified an issue where Hybrid Deployment connections were failing with a "Failed to generate data key for HD encryption context" or "Failed to receive message length" exception.
Timeline:
This issue began on June 17, 2026, at 08:10 UTC and was resolved on June 17, 2026, at 15:50 UTC.
Cause:
A recent code change introduced an issue affecting Hybrid Deployment connectors, specifically Oracle HVA and SQL Server HVA connectors. As a result, sync jobs for impacted connectors would start and then fail.
Resolution:
We reverted the problematic change and deployed a hotfix. After the fix was deployed, affected connectors began recovering and syncs started succeeding again.
Monitoring
We have deployed a fix for this issue.
We will continue to monitor all affected connectors until they resume their normal sync functionality.
Next Expected Update: 3 hours
We will continue to monitor all affected connectors until they resume their normal sync functionality.
Next Expected Update: 3 hours
Update
We are continuing to work on a fix for this issue.
Next Expected Update: 1 hour
Next Expected Update: 1 hour
Update
We have identified that this issue was caused by a recent change, and we are currently working on a HotFix.
Next Expected Update: 1 hour
Next Expected Update: 1 hour
Identified
We have identified an issue where Hybrid Deployment Connections are failing with a "Failed to generate data key for HD encryption context" or "Failed to receive message length" exception. We are currently investigating in more detail.
Next Expected Update: 1 hour
Next Expected Update: 1 hour
This incident affected: Systems (General Services).