# Census: Major incident: Many syncs failing for 30 minute period

**Summary:** Census reported a major Sync Engine incident starting at 2025-01-25 02:11 UTC, resolved after 16 min. The vendor said a misconfiguration caused many syncs to fail approximately 2025-01-25 01:08 to 01:38 UTC; it deployed a fix and reported no further failures. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2025-01-25 02:11 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/57tpxh46dzhp](https://stspg.io/57tpxh46dzhp)
- [Company: Census](https://rewindex.com/company/census.md)
- Versions: before (none: first archived) → after incident\_version:136/skjbxy0ld7rf@4f1a59e1f639
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Many syncs failing for 30 minute period
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-01-25 02:11 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-01-25 02:28 UTC
```

**6. Added: Affected components**

```diff
+ Sync Engine
```

**7. Added: Update** (monitoring) · 2025-01-25 02:11 UTC

```diff
+ A misconfiguration of our sync engine resulted in many syncs failing from approximately 2025-01-25 01:08 to 01:38 UTC.  We have identified the issue and deployed a fix.
```

**8. Added: Update** (resolved) · 2025-01-25 02:28 UTC

```diff
+ We have not seen any further failure and are declaring the incident resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-01-25 02:11 UTC | Major incident: Many syncs failing for 30 minute period (this change) | outage |

All Census changes: [timeline](https://rewindex.com/company/census/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/if4b0d97fa27e03 · Markdown: https://rewindex.com/change/if4b0d97fa27e03.md · JSON: https://rewindex.com/api/v1/changes/if4b0d97fa27e03 · Generated 2026-10-18T02:54:59.194Z