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Salesforce: Service Disruption: Core Service

MajorStatus: resolvedStarted Resolved (5.1 h)1 updatestatus.salesforce.com (opens in new tab)
Summary

Salesforce reported a major Core Service disruption affecting 15 instances, preventing users from logging in and opening their orgs. It started at 2026-10-23 01:25 UTC and was resolved at 2026-10-23 06:30 UTC, lasting 5 h 5 min. Salesforce attributed failed login-session creation to a recent release and restored access with a fix forward.

Machine-written from the archived incident (Sol). Check the timeline before relying on it.

Affected components: Core Service15 instances

Timeline of updates

  1. update

    We have 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.

Changes Rewindex caught on this incident

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Impact, status and times are the vendor’s own, as last archived. View on status.salesforce.com (opens in new tab).

Cite this

Status incident (vendor impact label: major) posted by Salesforce, started 2026-10-23 01:25 UTC, resolved after 5.1 h, 1 update(s).

Title
Service Disruption: Core Service
Vendor
Salesforce
Date
URL
https://rewindex.com/company/salesforce/incidents/20004521

Salesforce profileRecent Salesforce incidentsAll outages on October 23, 2026Salesforce in October 2026MarkdownJSON