# Salesforce: Service Disruption: Core Service

- Impact (vendor’s label): major
- Status: resolved
- Started: 2025-09-16 18:50 UTC · Resolved: 2025-09-16 21:25 UTC · Duration: 2.6 h
- Updates: 4 · Affected components: Core Service, 52 instances
- [Vendor status page: https://status.salesforce.com/incidents/20003242](https://status.salesforce.com/incidents/20003242)
- [Company: Salesforce](https://rewindex.com/company/salesforce.md)

## Timeline of updates

- **update** 2025-09-16 21:08 UTC: As of 18:50 UTC on September 16, we have noted a service disruption impacting a subset of customers’ ability to log in to their Salesforce instance in the EU region. We believe this may be related to an upstream DNS provider, and we are working closely with this provider to identify and assist with any resolution steps required.  We will provide an update in 30 minutes or sooner if more information becomes available.
- **update** 2025-09-16 21:11 UTC: 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.
- **update** 2025-09-16 21:29 UTC: We’re still actively investigating this issue, but we don’t have any new information to share at this time. Thanks for sticking with us as we continue to work towards a fix. We’ll provide an update in 30 minutes or sooner if more information becomes available.
- **update** 2025-09-16 22:02 UTC: As of 21:25  UTC, all services have been restored. While troubleshooting this issue, our monitoring showed that customers should no longer be experiencing any trouble logging in from the EU region. We will continue to monitor the environment to ensure stability, and we apologize for any inconvenience this issue may have caused you and your business. We will thoroughly investigate the incident, confirming the technical trigger, the underlying cause, and preventive action to avoid a repeat in the future.

## Rewindex changes for this incident

- 2025-09-16 18:50 UTC: [Major incident: Service Disruption: Core Service](https://rewindex.com/change/i28c3b508add0f0.md)


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Canonical: https://rewindex.com/company/salesforce/incidents/20003242 · Markdown: https://rewindex.com/company/salesforce/incidents/20003242.md · JSON: https://rewindex.com/api/v1/companies/salesforce/incidents/20003242 · Generated 2026-10-18T09:36:24.533Z