# coreService Disruption on USA700

- Provider: [Salesforce](https://down.guide/providers/salesforce)
- Confidence: Confirmed
- Impact: Major outage
- lasted 3h 25m
- started 2026-10-23 01:25 UTC
- coreService
- usa700
- id: DWN-245d7eac71
- Official page: https://status.salesforce.com/incidents/20004517

## Root cause
> 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.

[Postmortem](https://status.salesforce.com/incidents/20004517)

## Updates from Salesforce
### 2026-10-23 05:43 UTC: update
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.

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