# Auth0: Major incident: Elevated Errors on US-4 Public Cloud

> Major incident: Elevated Errors on US-4 Public Cloud. Detected 2026-11-04 by Rewindex: what changed on Auth0’s status page, with the before/after diff.

Canonical: https://rewindex.com/change/i4e4aa2274e4462
Last updated: 2026-11-04T09:08:37Z

**Summary:** _summary pending_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-10-09 19:01 UTC · Detected: 2026-11-04 09:08 UTC
- [Source: https://status.auth0.com/incidents/pzdxt6jr4jgs](https://status.auth0.com/incidents/pzdxt6jr4jgs)
- [Company: Auth0](https://rewindex.com/company/auth0.md)
- Versions: before (none: first archived) → after incident\_version:303/pzdxt6jr4jgs@a987eb84b1c6
- Change 1 of 1 for this incident

Incident page (full timeline): [Elevated Errors on US-4 Public Cloud](https://rewindex.com/company/auth0/incidents/pzdxt6jr4jgs.md)
## What changed

**1. Added: Title**

```diff
+ Elevated Errors on US-4 Public Cloud
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-10-09 19:01 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-10-09 19:13 UTC
```

**6. Added: Affected components**

```diff
+ US-4 Authentication, US-4 Machine to Machine, US-4 Management API
```

**7. Added: Update** (investigating) · 2026-10-09 19:00 UTC

```diff
+ We're currently investigating an incident that impacted our services. This event impacts authentication and Management API functionality. Our team is actively working to understand the root cause and mitigate the issue. We will provide updates as we gather more information.
```

**8. Added: Update** (monitoring) · 2026-10-09 19:01 UTC

```diff
+ We've identified a load spike event that caused elevated service errors on the US-4 Public Cloud environment. These errors have subsided after our autoscaling mechanisms triggered. The issue has self-resolved, and we're monitoring the environment to ensure stability. We'll provide further updates with new information or when changes in status occur.
```

**9. Added: Update** (resolved) · 2026-10-09 19:13 UTC

```diff
+ After monitoring the environment to ensure stability, we confirm that services have been restored. Our investigation into the full root cause will continue, as we confirm the source of the issue. A root cause analysis (RCA) will be posted here within 7 business days. We sincerely apologize for the impact this had on you and your users.
```

**10. Added: Update** (postmortem) · 2026-10-15 19:06 UTC

```diff
+ A root-cause analysis for this issue has been performed and is now available at: [https://cdn.auth0.com/website/2026-10-09_-_Elevated_Service_Errors_on_US-4_Public_Cloud_Environment.pdf](https://cdn.auth0.com/website/2026-10-09_-_Elevated_Service_Errors_on_US-4_Public_Cloud_Environment.pdf)
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-10-09 19:01 UTC | Major incident: Elevated Errors on US-4 Public Cloud (this change) | outage |

All Auth0 changes: [timeline](https://rewindex.com/company/auth0/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._

## Cite this

Major incident: Elevated Errors on US-4 Public Cloud on Auth0’s status page, changed 2026-10-09 19:01 UTC (change 1 of 1).

- Canonical URL: https://rewindex.com/change/i4e4aa2274e4462
- Citation: Auth0, “Major incident: Elevated Errors on US-4 Public Cloud” (2026-10-09 19:01 UTC). Archived by Rewindex: https://rewindex.com/change/i4e4aa2274e4462 (CC BY 4.0).
- Markdown link: `[Auth0: Major incident: Elevated Errors on US-4 Public Cloud (2026-10-09)](https://rewindex.com/change/i4e4aa2274e4462)`


---
Canonical: https://rewindex.com/change/i4e4aa2274e4462 · Markdown: https://rewindex.com/change/i4e4aa2274e4462.md · JSON: https://rewindex.com/api/v1/changes/i4e4aa2274e4462 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T17:43:49.937Z