# Datadog: Major incident: Delayed Monitors Notifications

**Summary:** Datadog reported major delays in Monitors Notifications beginning at 09:52 UTC on 2026-06-30; the recorded incident ran from 10:35 UTC to 11:18 UTC (43 min). Datadog deployed a fix, confirmed resolution, reported no data loss, and said notifications would catch up once service resumed. _(machine-written, sol)_
- Kind: Major incident · Label: degradation (model (Jev))
- Changed: 2026-06-30 10:35 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/hsz1r8ww26gn](https://stspg.io/hsz1r8ww26gn)
- [Company: Datadog](https://rewindex.com/company/datadog.md)
- Versions: before (none: first archived) → after incident\_version:274/41jdllgcbk9s@47ce513cdf14
- 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
+ 2026-06-30 10:35 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-06-30 11:18 UTC
```

**6. Added: Affected components**

```diff
+ Monitors
```

**7. Added: Update** (investigating) · 2026-06-30 10:35 UTC

```diff
+ We are investigating delays in Monitors Notifications, which began at 09:52 UTC.
```

**8. Added: Update** (identified) · 2026-06-30 10:53 UTC

```diff
+ We have identified the underlying issue and are working on a fix. It is important to note that no data has been lost, and notifications will be caught up once the service is operational again.
```

**9. Added: Update** (monitoring) · 2026-06-30 11:11 UTC

```diff
+ We have deployed a fix and we are monitoring the results. We will provide another update once the issue is fully resolved.
```

**10. Added: Update** (resolved) · 2026-06-30 11:18 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-06-30 10:35 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/i0e4411b01362eb · Markdown: https://rewindex.com/change/i0e4411b01362eb.md · JSON: https://rewindex.com/api/v1/changes/i0e4411b01362eb · Generated 2026-10-18T01:30:12.237Z