# Fly.io: Major incident: Elevated private networking errors

**Summary:** Fly.io reported a major incident involving elevated private networking errors between machines in some regions, starting at 2026-09-23 14:47 UTC and lasting 35 min. A fix was implemented by 2026-09-23 14:56 UTC, and the incident was resolved at 2026-09-23 15:23 UTC. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-09-23 14:47 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://status.flyio.net/incidents/01M37D840H6Z83ZGZSMYN5EVSR](https://status.flyio.net/incidents/01M37D840H6Z83ZGZSMYN5EVSR)
- [Company: Fly.io](https://rewindex.com/company/fly-io.md)
- Versions: before (none: first archived) → after incident\_version:186/01M37D840H6Z83ZGZSMYN5EVSR@8712fcc92fb3
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Elevated private networking errors
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-09-23 14:47 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-09-23 15:23 UTC
```

**6. Added: Update** (investigating) · 2026-09-23 14:47 UTC

```diff
+ We are investigating elevated errors with private networking between machines in some regions.
```

**7. Added: Update** (monitoring) · 2026-09-23 14:56 UTC

```diff
+ A fix has been implemented are we are monitoring to ensure recovery.
```

**8. Added: Update** (resolved) · 2026-09-23 15:23 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-09-23 14:47 UTC | Major incident: Elevated private networking errors (this change) | outage |

All Fly.io changes: [timeline](https://rewindex.com/company/fly-io/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/ifb558b70ace3bc · Markdown: https://rewindex.com/change/ifb558b70ace3bc.md · JSON: https://rewindex.com/api/v1/changes/ifb558b70ace3bc · Generated 2026-10-18T01:52:18.429Z