# coreService Degradation on USA1, USA2S, USA3S, USA80S…

- Provider: [Salesforce](https://down.guide/salesforce)
- Level: confirmed
- Impact: Degraded
- lasted 37m
- started 2026-10-09 22:14 UTC
- coreService
- usa1, usa2s, usa3s, usa80s
- id: DWN-d4b3a10163
- Official page: https://status.salesforce.com/incidents/20004480

## Updates from Salesforce
### 2026-10-09 23:27 UTC: impactradiusincrease
Investigations have highlighted that the impact radius is broader than initially understood. We have updated the posting to reflect the additional instances experiencing impact, and customers in these instances will receive communications related to this incident going forward.

### 2026-10-09 23:40 UTC: update
We’ve investigated and confirmed resolution of a third party performance degradation that impacted multiple Salesforce instances. Impacted customers may have experienced latency and errors. 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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