# Datadog: Major incident: Delayed Monitors Notifications

**Summary:** Datadog reported major delays in Monitors notifications beginning at 12:00 UTC, potentially delaying customer alerts. The incident record started at 2026-03-26 14:24 UTC and lasted 5 h 32 min, resolving at 2026-03-26 19:56 UTC after a fix was implemented. _(machine-written, sol)_
- Kind: Major incident · Label: degradation (model (Jev))
- Changed: 2026-03-26 14:24 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/vl9tsrk9z2ld](https://stspg.io/vl9tsrk9z2ld)
- [Company: Datadog](https://rewindex.com/company/datadog.md)
- Versions: before (none: first archived) → after incident\_version:274/1qdv7gx89vwv@6d0e63dcf39c
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Delayed Monitors Notifications
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-03-26 14:24 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-03-26 19:56 UTC
```

**6. Added: Affected components**

```diff
+ Monitors
```

**7. Added: Update** (investigating) · 2026-03-26 14:24 UTC

```diff
+ We are investigating delays in monitor notifications, which began at 12:00 UTC.
```

**8. Added: Update** (investigating) · 2026-03-26 14:55 UTC

```diff
+ We are continuing investigating delays in monitor notifications that started at 12:00 UTC.
```

**9. Added: Update** (investigating) · 2026-03-26 15:32 UTC

```diff
+ We are still continuing investigating delays in monitor notifications that started at 12:00 UTC. We've identified the root cause and are working on a fix.
```

**10. Added: Update** (investigating) · 2026-03-26 16:11 UTC

```diff
+ We are continuing to investigate delays in monitor notifications.
```

**11. Added: Update** (identified) · 2026-03-26 16:48 UTC

```diff
+ The issue has been identified and a fix is being implemented.
```

**12. Added: Update** (identified) · 2026-03-26 17:28 UTC

```diff
+ We are continuing to work on a fix for this issue.
```

**13. Added: Update** (identified) · 2026-03-26 18:38 UTC

```diff
+ We are continuing to work on a fix for this issue.
```

**14. Added: Update** (identified) · 2026-03-26 19:07 UTC

```diff
+ We are continuing to work on a fix for this issue.
```

**15. Added: Update** (monitoring) · 2026-03-26 19:42 UTC

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

**16. Added: Update** (resolved) · 2026-03-26 19:56 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-03-26 14:24 UTC | Major incident: Delayed Monitors Notifications (this change) | degradation |

All Datadog changes: [timeline](https://rewindex.com/company/datadog/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/i84634dd579bdbf · Markdown: https://rewindex.com/change/i84634dd579bdbf.md · JSON: https://rewindex.com/api/v1/changes/i84634dd579bdbf · Generated 2026-10-18T03:55:40.063Z