# Salesforce: Major incident: Service Disruption: Core Service

**Summary:** _summary pending_
- Kind: Major incident · Label: degradation (model (Jev))
- Changed: 2025-10-23 16:30 UTC · Detected: 2026-10-18 05:14 UTC
- [Source: https://status.salesforce.com/incidents/20003391](https://status.salesforce.com/incidents/20003391)
- [Company: Salesforce](https://rewindex.com/company/salesforce.md)
- Versions: before (none: first archived) → after incident\_version:130/20003391@8f96befb9941
- Change 1 of 1 for this incident

Incident page (full timeline): [Service Disruption: Core Service](https://rewindex.com/company/salesforce/incidents/20003391.md)
## What changed

**1. Added: Title**

```diff
+ Service Disruption: Core Service
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-10-23 16:30 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-10-23 17:42 UTC
```

**6. Added: Affected components**

```diff
+ 1 instance, Core Service
```

**7. Added: Update** (investigating) · 2025-10-23 17:21 UTC

```diff
+ We’re investigating the cause of the issue. We will provide an update in 30 minutes or sooner if we have more information.
```

**8. Added: Update** (update) · 2025-10-23 17:41 UTC

```diff
+ At 16:33 UTC on October 23, 2025, a service disruption began impacting customers using Salesforce core app services hosted on JPN182S. Customers may experience reduced response times or intermittent service interruptions when accessing their Salesforce core applications and services. We are working to increase system capacity and optimize message processing to restore normal performance.  We'll provide an update in 30 minutes or sooner if additional information becomes available.
```

**9. Added: Update** (update) · 2025-10-23 18:38 UTC

```diff
+ As of 17:42 UTC, Salesforce core app services have been restored, and customers are no longer impacted. We identified that a message request was contributing to high traffic and overwhelming system capacity, causing intermittent service disruptions. We implemented an immediate fix by suspending the message request that was contributing to the capacity constraints. 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. 
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-10-23 16:30 UTC | Major incident: Service Disruption: Core Service (this change) | degradation |

All Salesforce changes: [timeline](https://rewindex.com/company/salesforce/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/i493584534e7f5d · Markdown: https://rewindex.com/change/i493584534e7f5d.md · JSON: https://rewindex.com/api/v1/changes/i493584534e7f5d · Generated 2026-10-18T12:19:11.679Z