# Tailscale: Major incident: Coordination service issues

**Summary:** Tailscale reported a major coordination service incident with elevated error rates, starting 2026-08-20 00:58 UTC and resolved at 2026-08-20 03:22 UTC, lasting 2 h 24 min. A fix was deployed by 02:38 UTC; no cause was stated. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-08-20 00:58 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://status.tailscale.com/incidents/01M0EAT329782JTJT005A2Y3AD](https://status.tailscale.com/incidents/01M0EAT329782JTJT005A2Y3AD)
- [Company: Tailscale](https://rewindex.com/company/tailscale.md)
- Versions: before (none: first archived) → after incident\_version:321/01M0EAT329782JTJT005A2Y3AD@848863d0d573
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Coordination service issues
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-08-20 00:58 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-08-20 03:22 UTC
```

**6. Added: Update** (investigating) · 2026-08-20 00:58 UTC

```diff
+ We are investigating a problem causing an elevated rate of errors in our coordination service, and are working to understand the full impact of the problem.
```

**7. Added: Update** (identified) · 2026-08-20 01:53 UTC

```diff
+ We have identified the problem and are rolling out a fix.
```

**8. Added: Update** (monitoring) · 2026-08-20 02:38 UTC

```diff
+ A fix has been deployed and we are monitoring for any further problems.
```

**9. Added: Update** (resolved) · 2026-08-20 03:22 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-08-20 00:58 UTC | Major incident: Coordination service issues (this change) | outage |

All Tailscale changes: [timeline](https://rewindex.com/company/tailscale/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/i9329dc3600580a · Markdown: https://rewindex.com/change/i9329dc3600580a.md · JSON: https://rewindex.com/api/v1/changes/i9329dc3600580a · Generated 2026-10-18T00:38:38.321Z