# Salesforce: Performance Degradation: Core Service

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-05-06 03:32 UTC · Resolved: 2026-05-07 00:06 UTC · Duration: 21 h
- Updates: 6 · Affected components: Core Service, 290 instances
- [Vendor status page: https://status.salesforce.com/incidents/20003993](https://status.salesforce.com/incidents/20003993)
- [Company: Salesforce](https://rewindex.com/company/salesforce.md)

## Timeline of updates

- **update** 2026-05-06 16:17 UTC: We're investigating a performance degradation affecting a subset of customers who may experience frequent disconnects when accessing their Salesforce sandbox environment. We’re performing staggered rolling restarts on affected instances as a remediation effort. We'll provide an update in 60 minutes or sooner when additional information becomes available.
- **update** 2026-05-06 17:15 UTC: We identified a recent change that caused database connections to run in an unmanaged state, which stopped those connections from being released properly. We're continuing to perform staggered rolling restarts on affected instances. Additionally, we are preparing to deploy a fix-forward solution.  We'll provide an update in 60 minutes or sooner if additional information becomes available.
- **update** 2026-05-06 18:24 UTC: We've completed rolling restarts on affected instances. The fix-forward solution is progressing through the final validation steps before being deployed in a staggered manner.  We'll provide an update in 60 minutes or sooner if additional information becomes available.
- **update** 2026-05-06 19:43 UTC: We’re actively working on the fix-forward solution, which is progressing through the final validation steps before being deployed in a staggered manner. We’ll continue to closely monitor the systems as ‌implementation progresses. We’ll provide the next update as additional information becomes available.
- **update** 2026-05-06 21:50 UTC: We’ve successfully validated the fix and are preparing to deploy it to all impacted environments.  We’ll provide the next update as additional information becomes available.
- **update** 2026-05-07 01:02 UTC: We’ve deployed the fix across all impacted environments. Following a period of performance monitoring and comprehensive health checks, this issue is now fully resolved. Customers should no longer experience difficulties when accessing their Salesforce sandbox environments. 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.


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Canonical: https://rewindex.com/company/salesforce/incidents/20003993 · Markdown: https://rewindex.com/company/salesforce/incidents/20003993.md · JSON: https://rewindex.com/api/v1/companies/salesforce/incidents/20003993 · Generated 2026-10-18T09:36:20.162Z