# Salesforce: Service Disruption: Core Service

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-08-20 23:37 UTC · Resolved: 2026-08-21 00:22 UTC · Duration: 45 min
- Updates: 4 · Affected components: Core Service, 1 instance
- [Vendor status page: https://status.salesforce.com/incidents/20004368](https://status.salesforce.com/incidents/20004368)
- [Company: Salesforce](https://rewindex.com/company/salesforce.md)

## Timeline of updates

- **update** 2026-08-20 23:38 UTC: We are aware of an issue affecting the availability of certain services on instance CS246. Some customers may be unable to access affected services or may experience delays, timeouts or slow load times. Our technical teams are actively investigating the cause and working toward a resolution.  We will provide an update in 30 minutes or sooner if additional information becomes available.
- **update** 2026-08-21 00:01 UTC: Upon further investigation, we believe this instance is now experiencing a service disruption as of 23:41 UTC, where users will have no access to Salesforce services hosted on the CS246 instance. We continue to actively work to fully understand the technical trigger. We will provide an update in 30 minutes or sooner if additional information becomes available.
- **update** 2026-08-21 00:28 UTC: We are preparing to undertake a site switch that is expected to be the quickest way for us to restore services for customers. We can’t currently indicate how long this will take at this stage, but we will provide an update as soon as we have more information.  We will provide an update in 30 minutes or sooner if new information becomes available.
- **update** 2026-08-21 00:42 UTC: We’ve completed the site switch and, after a period of monitoring, can confirm that services have been restored with an out of impact time of 00:22 UTC, August 21. This is the final update for this incident.

## Rewindex changes for this incident

- 2026-08-20 23:37 UTC: [Major incident: Service Disruption: Core Service](https://rewindex.com/change/if8ae47f068678b.md)


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Canonical: https://rewindex.com/company/salesforce/incidents/20004368 · Markdown: https://rewindex.com/company/salesforce/incidents/20004368.md · JSON: https://rewindex.com/api/v1/companies/salesforce/incidents/20004368 · Generated 2026-10-18T10:28:56.719Z