# Trello: Critical incident: Users are experiencing reCaptcha errors while signing up

**Summary:** Trello.com signup was blocked by reCaptcha errors in a vendor-rated critical outage from 2024-09-12 02:08 UTC to 2024-09-12 03:28 UTC, lasting 1 h 20 min. Trello reported identifying the root cause and confirmed resolution, but did not describe the cause or fix. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2024-09-12 02:08 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/mmf68y6qbgss](https://stspg.io/mmf68y6qbgss)
- [Company: Trello](https://rewindex.com/company/trello.md)
- Versions: before (none: first archived) → after incident\_version:114/bl4fk7h4qppx@c41aa9a65ab7
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Users are experiencing reCaptcha errors while signing up
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2024-09-12 02:08 UTC
```

**5. Added: Resolved time**

```diff
+ 2024-09-12 03:28 UTC
```

**6. Added: Affected components**

```diff
+ Trello.com
```

**7. Added: Update** (investigating) · 2024-09-12 02:08 UTC

```diff
+ Users attempting to sign up are encountering reCaptcha errors that are preventing a successful signup.
```

**8. Added: Update** (monitoring) · 2024-09-12 02:40 UTC

```diff
+ We have identified the root cause and the issue appears to be resolved.
```

**9. Added: Update** (resolved) · 2024-09-12 03:28 UTC

```diff
+ This issue has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2024-09-12 02:08 UTC | Critical incident: Users are experiencing reCaptcha errors while signing up (this change) | outage |

All Trello changes: [timeline](https://rewindex.com/company/trello/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._


---
Canonical: https://rewindex.com/change/ie7be7438e55675 · Markdown: https://rewindex.com/change/ie7be7438e55675.md · JSON: https://rewindex.com/api/v1/changes/ie7be7438e55675 · Generated 2026-10-18T02:55:25.298Z