# Okta: Major incident: Users in some orgs are unable to reach Custom URL domain

> Major incident: Users in some orgs are unable to reach Custom URL domain. Detected 2026-11-04 by Rewindex: what changed on Okta’s status page, with the before/after diff.

Canonical: https://rewindex.com/change/i777430b1abf7b0
Last updated: 2026-11-04T09:08:41Z

**Summary:** _summary pending_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2025-12-10 07:42 UTC · Detected: 2026-11-04 09:08 UTC
- [Source: https://status.okta.com/\#incident/a9CWR00000015s62AA](https://status.okta.com/#incident/a9CWR00000015s62AA)
- [Company: Okta](https://rewindex.com/company/okta.md)
- Versions: before (none: first archived) → after incident\_version:314/I-9840@c892433ddc8d
- Change 1 of 1 for this incident

Incident page (full timeline): [Users in some orgs are unable to reach Custom URL domain](https://rewindex.com/company/okta/incidents/I-9840.md)
## What changed

**1. Added: Title**

```diff
+ Users in some orgs are unable to reach Custom URL domain
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-12-10 07:42 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-12-10 00:00 UTC
```

**6. Added: Affected components**

```diff
+ Cell okta.com:9, Core Platform / Core Service
```

**7. Added: Update** (resolved) · 2025-12-18 02:29 UTC

```diff
+ Okta Engineering became aware of an increase in connections on custom domain routers affecting customers in Cell OK9. Our team is actively investigating this issue to determine the root cause and mitigate the impact.  During this time, users accessing their Okta tenant via custom domains may experience intermittent connectivity issues, including timeouts, latency, or 503/504 error messages.  We will provide another update within the next 30 minutes, or sooner if additional information becomes available.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-12-10 07:42 UTC | Major incident: Users in some orgs are unable to reach Custom URL domain (this change) | outage |

All Okta changes: [timeline](https://rewindex.com/company/okta/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: Users in some orgs are unable to reach Custom URL domain on Okta’s status page, changed 2025-12-10 07:42 UTC (change 1 of 1).

- Canonical URL: https://rewindex.com/change/i777430b1abf7b0
- Citation: Okta, “Major incident: Users in some orgs are unable to reach Custom URL domain” (2025-12-10 07:42 UTC). Archived by Rewindex: https://rewindex.com/change/i777430b1abf7b0 (CC BY 4.0).
- Markdown link: `[Okta: Major incident: Users in some orgs are unable to reach Custom URL domain (2025-12-10)](https://rewindex.com/change/i777430b1abf7b0)`


---
Canonical: https://rewindex.com/change/i777430b1abf7b0 · Markdown: https://rewindex.com/change/i777430b1abf7b0.md · JSON: https://rewindex.com/api/v1/changes/i777430b1abf7b0 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T17:53:29.242Z