Outage in Fivetran
3rd Party: Multiple Salesforce connections are failing with HTTP 503 Service Unavailable
Resolved MinorIncident Report
Summary AI Generated
Multiple Salesforce connections in Fivetran experienced sync failures with HTTP 503 Service Unavailable errors due to a source-side outage in the Salesforce API that caused 500 Internal Server Error responses. The incident lasted 3.8 hours from May 21, 2026 at 20:00 UTC to May 22, 2026 at 00:30 UTC and resolved automatically when Salesforce fixed the issue on their end, with syncs returning to normal operation.
The issue has been identified and we are working to resolve it.
Components affected
Fivetran SalesforceTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
1 day ago - at 05/22/2026 05:04AM
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:
We identified an issue for Saleforce Connection which resulted in syncs failing with a HTTP 503 Service Unavailable error.
Timeline:
This issue began on 21 May 2026 at 20:00 UTC and was resolved on 22 May 2026 at 00:30 UTC.
Cause:
The failures were caused by a source-side outage in the Saleforce API, resulting in 500 Internal Server Error responses.
Resolution:
No action was taken from our end. The issue was resolved on the source side, and syncs recovered automatically.
MONITORING
1 day ago - at 05/22/2026 04:17AM
The issue from source side is resolved and we noticed that syncs are succeeding now. We are continuing to monitor the syncs.
IDENTIFIED
1 day ago - at 05/22/2026 01:35AM
We have identified an issue where Salesforce connections are failing with an HTTP 503 Service Unavailable Exception. This is a third-party issue on the Salesforce side, and we are continuing to monitor the connections.
Salesforce Status Page: https://status.salesforce.com/incidents/20004038
IDENTIFIED
1 day ago - at 05/22/2026 01:20AM
The issue has been identified and we are working to resolve it.
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