# Jupyter (Anaconda): Major incident: Networking performance issue causing slowness for Anaconda products

**Summary:** A major networking performance issue affecting data centers in Ashburn, Virginia caused slowness or timeouts for Anaconda services starting 2025-08-21 18:00 UTC. The CDN provider rerouted traffic at 19:07 UTC; Anaconda marked the incident resolved at 2025-08-21 20:22 UTC, after 2 h 22 min. _(machine-written, sol)_
- Kind: Major incident · Label: degradation (model (Jev))
- Changed: 2025-08-21 18:00 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/n46pqqmsf75j](https://stspg.io/n46pqqmsf75j)
- [Company: Jupyter (Anaconda)](https://rewindex.com/company/jupyter-anaconda.md)
- Versions: before (none: first archived) → after incident\_version:150/h5kpv8zyps0w@03001ed40b29
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Networking performance issue causing slowness for Anaconda products
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2025-08-21 18:00 UTC
```

**5. Added: Resolved time**

```diff
+ 2025-08-21 20:22 UTC
```

**6. Added: Affected components**

```diff
+ AI Platform API - anaconda.com/api, AI Platform Application - anaconda.com/app, Anaconda.com - AI Platform API - anaconda.com/api, Anaconda.com - AI Platform Application - anaconda.com/app, Anaconda.com - Auth - auth.anaconda.com, Anaconda.com - Home Page - anaconda.com, Anaconda.com - Notebook Service - nb.anaconda.com, Anaconda.com - Premium Package Repository - repo.anaconda.com/repo, Anaconda.com - Public Repository Service - repo.anaconda.com/pkgs, Anaconda.org - Database, Anaconda.org - Front End Web Service - anaconda.org, Anaconda.org - Repository Service - conda.anaconda.org, Auth - auth.anaconda.com, Database, EduBlocks App, EduBlocks - EduBlocks App, EduBlocks - EduBlocks Link Download, EduBlocks - EduBlocks Website, EduBlocks Link Download, EduBlocks Website, Front End Web Service - anaconda.org, Home Page - anaconda.com, Notebook Service - nb.anaconda.com, Premium Package Repository - repo.anaconda.com/repo, Public Repository Service - repo.anaconda.com/pkgs, Pyscript.com, Pyscript.net, Pyscript - Pyscript.com, Pyscript - Pyscript.net, Python Anywhere - Python Anywhere Frontend Website, Repository Service - conda.anaconda.org
```

**7. Added: Update** (identified) · 2025-08-21 18:00 UTC

```diff
+ Due to a networking performance issue affecting data centers in Ashburn, Virginia, users accessing Anaconda services may experience slowness or timeouts. We're working with our support contacts and will provide updates as we receive them.
```

**8. Added: Update** (monitoring) · 2025-08-21 19:00 UTC

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

**9. Added: Update** (monitoring) · 2025-08-21 19:15 UTC

```diff
+ Our CDN provider has rerouted traffic at 19:07 UTC and marked the incident as resolved. We are continuing to monitor to ensure full resolution.
```

**10. Added: Update** (resolved) · 2025-08-21 20:22 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2025-08-21 18:00 UTC | Major incident: Networking performance issue causing slowness for Anaconda products (this change) | degradation |

All Jupyter (Anaconda) changes: [timeline](https://rewindex.com/company/jupyter-anaconda/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/i21d5608a0986df · Markdown: https://rewindex.com/change/i21d5608a0986df.md · JSON: https://rewindex.com/api/v1/changes/i21d5608a0986df · Generated 2026-10-18T02:29:16.048Z