# Coda: Major incident: Partial outage of pack requests from clients

**Summary:** Coda reported a major Packs outage: some client-initiated pack requests failed from 2023-02-26 17:23 UTC to 2023-02-26 21:10 UTC, lasting 3 h 47 min. Coda suspected AWS CloudFront HTTP/2 handling and confirmed resolution after deploying a workaround. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2023-02-26 17:23 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/0y2v2bb4by86](https://stspg.io/0y2v2bb4by86)
- [Company: Coda](https://rewindex.com/company/coda.md)
- Versions: before (none: first archived) → after incident\_version:97/7rpp1lsy3073@16b2689b5dbe
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Partial outage of pack requests from clients
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2023-02-26 17:23 UTC
```

**5. Added: Resolved time**

```diff
+ 2023-02-26 21:10 UTC
```

**6. Added: Affected components**

```diff
+ Packs
```

**7. Added: Update** (investigating) · 2023-02-26 17:23 UTC

```diff
+ We are aware of an issue that is causing some pack requests to fail when they are initiated from clients.  We currently believe this may be an issue within HTTP/2 handling on AWS's CloudFront and we are working with AWS support to try to resolve the issue.  We do not currently have a ETA for the issue to be resolved. A workaround for impacted documents can be to reload the document after a few minutes.  Pack request results may then appear within the document.
```

**8. Added: Update** (monitoring) · 2023-02-26 20:38 UTC

```diff
+ We've rolled out a workaround for the CloudFront issue and monitoring to see if it fixes the issue.
```

**9. Added: Update** (resolved) · 2023-02-26 21:10 UTC

```diff
+ We've verified that the issue is resolved with our workaround in place.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2023-02-26 17:23 UTC | Major incident: Partial outage of pack requests from clients (this change) | outage |

All Coda changes: [timeline](https://rewindex.com/company/coda/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/iec1309c442b9f1 · Markdown: https://rewindex.com/change/iec1309c442b9f1.md · JSON: https://rewindex.com/api/v1/changes/iec1309c442b9f1 · Generated 2026-10-18T01:54:31.885Z