Some Amazon S3 connections in Fivetran experienced intermittent sync failures with HTTP connection timeout errors due to AWS-side connectivity issues. The outage affected General Services for 1.9 hours on March 19-20, 2026. The issue was automatically resolved once AWS connectivity was restored, with all affected connectors returning to normal sync operations.
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:
A few Amazon S3 connections experienced intermittent failures due to an AWS-side issue, with the error: "Unable to execute HTTP request."
Timeline:
The issue began on March 19, 2026, at 11:00 PM UTC and was resolved by 11:27 PM UTC.
Root Cause:
The intermittent sync failures were caused by AWS-side timeout issues.
Resolution:
The issue was automatically resolved once connectivity from the AWS side was restored.
Sync failures were due to AWS-side timeouts, and the connectors have now recovered.
The issue has been identified and we are working to resolve it.
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