Outage in Fivetran
Fivetran: Multiple Hybrid Deployment Connections are failing
Resolved MinorIncident Report
Summary AI Generated
Fivetran's Hybrid Deployment connections experienced failures on June 17, 2026, from 08:10 to 15:50 UTC (~5.6 hours), with Oracle HVA and SQL Server HVA connectors failing mid-sync due to "Failed to generate data key for HD encryption context" or "Failed to receive message length" errors. The root cause was a recent code change that broke Hybrid Deployment connector functionality. Fivetran resolved the issue by reverting the change and deploying a hotfix, after which affected connectors resumed normal sync operations.
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
Components affected
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RESOLVED
about 11 hours ago - at 06/17/2026 06:06PM
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.
MONITORING
about 14 hours ago - at 06/17/2026 03:56PM
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
IDENTIFIED
about 15 hours ago - at 06/17/2026 03:00PM
We are continuing to work on a fix for this issue.
Next Expected Update: 1 hour
IDENTIFIED
about 16 hours ago - at 06/17/2026 01:33PM
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
IDENTIFIED
about 17 hours ago - at 06/17/2026 12:40PM
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
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