# ActiveCampaign: Critical incident: Issue Affecting Segmented Campaigns in the EU Region

**Summary:** ActiveCampaign reported a critical outage affecting segmented campaign sending in the EU Data Center, starting 2026-08-05 10:59 UTC and resolved 2026-08-06 11:40 UTC, lasting 24 h 41 min. A fix was implemented at 08-05 13:12 UTC; no cause was stated. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-08-05 10:59 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/2m0fn13h2fl8](https://stspg.io/2m0fn13h2fl8)
- [Company: ActiveCampaign](https://rewindex.com/company/activecampaign.md)
- Versions: before (none: first archived) → after incident\_version:232/n9dmkl8y79wh@e845eb6f688e
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Issue Affecting Segmented Campaigns in the EU Region
```

**2. Added: Impact**

```diff
+ critical
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-08-05 10:59 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-08-06 11:40 UTC
```

**6. Added: Affected components**

```diff
+ Campaigns, EU Region - Campaigns
```

**7. Added: Update** (investigating) · 2026-08-05 10:59 UTC

```diff
+ Investigating: Engineers are currently investigating an issue affecting Campaign Sending in the EU Data Center. Engineers will provide another update in 30 minutes as more information becomes available.
```

**8. Added: Update** (investigating) · 2026-08-05 10:59 UTC

```diff
+ We are continuing to investigate this issue.
```

**9. Added: Update** (investigating) · 2026-08-05 11:39 UTC

```diff
+ We are continuing to investigate this issue.
```

**10. Added: Update** (monitoring) · 2026-08-05 13:12 UTC

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

**11. Added: Update** (resolved) · 2026-08-06 11:40 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-08-05 10:59 UTC | Critical incident: Issue Affecting Segmented Campaigns in the EU Region (this change) | outage |

All ActiveCampaign changes: [timeline](https://rewindex.com/company/activecampaign/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/id3aa4cebf1909a · Markdown: https://rewindex.com/change/id3aa4cebf1909a.md · JSON: https://rewindex.com/api/v1/changes/id3aa4cebf1909a · Generated 2026-10-18T02:25:49.221Z