# Salesforce: Feature Service Disruption: Core Service

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-03-25 01:31 UTC · Resolved: 2026-03-30 22:33 UTC · Duration: 6 d
- Updates: 3 · Affected components: Core Service, 24 instances
- [Vendor status page: https://status.salesforce.com/incidents/20003889](https://status.salesforce.com/incidents/20003889)
- [Company: Salesforce](https://rewindex.com/company/salesforce.md)

## Timeline of updates

- **update** 2026-03-30 22:48 UTC: At 21:00 UTC, on March 25, 2026, we noted a feature disruption impacting multiple instances. During this period, customers may encounter a “Fatal Error Unknown Exception” when attempting to perform deployments. We're exploring multiple paths to isolate the underlying cause of the issue and implement a fix to restore the services. We will provide an update in 30 minutes or sooner if additional information becomes available.
- **update** 2026-03-30 22:58 UTC: Upon further investigation, the Salesforce Technology team has determined that the start time of impact is different than initially understood. We have now revised the start time of the Trust post to more accurately reflect the time customers may have begun to experience impact. We apologize for any confusion caused by this.
- **update** 2026-03-30 23:02 UTC: We’ve identified a recent change as the trigger for this incident and have performed a rollback to restore services to customers. As of 22:33 UTC, the service have been restored and customers should no longer experience any issues with deployment. We apologize for how you and your business may have been affected by this incident. We will thoroughly investigate the incident, confirming the technical trigger, the underlying cause, and preventive action to avoid a repeat in the future.


---
Canonical: https://rewindex.com/company/salesforce/incidents/20003889 · Markdown: https://rewindex.com/company/salesforce/incidents/20003889.md · JSON: https://rewindex.com/api/v1/companies/salesforce/incidents/20003889 · Generated 2026-10-18T11:26:30.514Z