# Salesforce: Service Disruption: Core Service

> Salesforce reported a major Core Service outage affecting 1 instance, preventing users from logging in and accessing their orgs from 2026-10-23 01:25 UTC to 2026-10-23 03:40 UTC (2 h 15 min). A recent release disrupted login-session creation; Salesforce rolled it back and confirmed access was restor

Canonical: https://rewindex.com/company/salesforce/incidents/20004515
Last updated: 2026-10-23T05:20:12Z

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-10-23 01:25 UTC · Resolved: 2026-10-23 03:40 UTC · Duration: 2.3 h
- Updates: 1 · Affected components: Core Service, 1 instance
- [Vendor status page: https://status.salesforce.com/incidents/20004515](https://status.salesforce.com/incidents/20004515)
- [Company: Salesforce](https://rewindex.com/company/salesforce.md)

## Summary

Salesforce reported a major Core Service outage affecting 1 instance, preventing users from logging in and accessing their orgs from 2026-10-23 01:25 UTC to 2026-10-23 03:40 UTC (2 h 15 min). A recent release disrupted login-session creation; Salesforce rolled it back and confirmed access was restored. _(machine-written, sol)_
## Timeline of updates

- **update** 2026-10-23 05:20 UTC: We have resolved the issue that prevented users from logging in and accessing their orgs. We identified an issue introduced by a recent release that disrupted the creation of login sessions. We rolled back the affected release and confirmed that access has been restored. Users can now log in and access their orgs. We sincerely apologize for the disruption and its impact on your business. We will conduct a thorough investigation to determine the technical trigger, identify the underlying root cause, and implement preventive measures to reduce the risk of recurrence.

## Rewindex changes for this incident

- 2026-10-23 01:25 UTC: [Major incident: Service Disruption: Core Service](https://rewindex.com/change/ie57c01645761ef.md)

## Cite this

Status incident (vendor impact label: major) posted by Salesforce, started 2026-10-23 01:25 UTC, resolved after 2.3 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/salesforce/incidents/20004515
- Citation: Salesforce, “Service Disruption: Core Service” (2026-10-23 01:25 UTC). Archived by Rewindex: https://rewindex.com/company/salesforce/incidents/20004515 (CC BY 4.0).
- Markdown link: `[Salesforce: Service Disruption: Core Service (2026-10-23)](https://rewindex.com/company/salesforce/incidents/20004515)`


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Canonical: https://rewindex.com/company/salesforce/incidents/20004515 · Markdown: https://rewindex.com/company/salesforce/incidents/20004515.md · JSON: https://rewindex.com/api/v1/companies/salesforce/incidents/20004515 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-05T15:22:20.291Z