Fivetran incident
Fivetran: Multiple Hybrid Deployment Connections are failing
Fivetran experienced a minor incident on June 17, 2026 affecting General Services, lasting 5h 26m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- identified Jun 17, 2026, 12:40 PM UTC
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:
- identified Jun 17, 2026, 01:33 PM UTC
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 Jun 17, 2026, 03:00 PM UTC
We are continuing to work on a fix for this issue. Next Expected Update: 1 hour
- monitoring Jun 17, 2026, 03:56 PM UTC
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
- resolved Jun 17, 2026, 06:06 PM UTC
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.