# MongoDB Atlas: Major incident: MongoDB App Services: Connectivity issues

**Summary:** MongoDB Atlas reported a major incident affecting deprecated Atlas App Services Device Sync: affected users could see SSL validation errors. It started at 2026-02-28 19:53 UTC and lasted 31 h 11 min, resolving at 2026-03-02 03:05 UTC; a fix was implemented and monitored. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-02-28 19:53 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/dxd0y34wps83](https://stspg.io/dxd0y34wps83)
- [Company: MongoDB Atlas](https://rewindex.com/company/mongodb-atlas.md)
- Versions: before (none: first archived) → after incident\_version:152/yw96wbq7mtz1@819cbad48915
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ MongoDB App Services: Connectivity issues
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-02-28 19:53 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-03-02 03:05 UTC
```

**6. Added: Affected components**

```diff
+ MongoDB Atlas App Services and Device Sync
```

**7. Added: Update** (investigating) · 2026-02-28 19:53 UTC

```diff
+ We are currently investigating an issue with Atlas App Services Device Sync. Affected users of this deprecated service may see SSL validation errors. We will update this post with more details as they become available.
```

**8. Added: Update** (monitoring) · 2026-03-01 05:37 UTC

```diff
+ A fix has been implemented and we are monitoring the results.
```

**9. Added: Update** (resolved) · 2026-03-02 03:05 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-02-28 19:53 UTC | Major incident: MongoDB App Services: Connectivity issues (this change) | outage |

All MongoDB Atlas changes: [timeline](https://rewindex.com/company/mongodb-atlas/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/i8e45746fd19b02 · Markdown: https://rewindex.com/change/i8e45746fd19b02.md · JSON: https://rewindex.com/api/v1/changes/i8e45746fd19b02 · Generated 2026-10-18T01:54:07.430Z