# Salesforce: Service Disruption: Core Service

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-10-23 01:25 UTC · Resolved: 2026-10-23 06:18 UTC · Duration: 4.9 h
- Updates: 1 · Affected components: Core Service, 8 instances
- [Vendor status page: https://status.salesforce.com/incidents/20004519](https://status.salesforce.com/incidents/20004519)
- [Company: Salesforce](https://rewindex.com/company/salesforce.md)

## Timeline of updates

- **update** 2026-10-23 06:21 UTC: We resolved an issue that prevented users from logging in. We identified an issue with a recent release that prevented login sessions from being created. We deployed a fix forward, and access is now restored. Users can log in and open their orgs again. We apologize for how this incident affected you and your business. We will undertake a full investigation of the incident, establishing the technical trigger, the underlying cause, and preventive action to avoid a repeat in the future.

## Rewindex changes for this incident

- 2026-10-23 01:25 UTC: [Major incident: Service Disruption: Core Service](https://rewindex.com/change/i1b59306b21dd15.md)


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Canonical: https://rewindex.com/company/salesforce/incidents/20004519 · Markdown: https://rewindex.com/company/salesforce/incidents/20004519.md · JSON: https://rewindex.com/api/v1/companies/salesforce/incidents/20004519 · Generated 2026-10-24T11:05:08.560Z