# Increased errors for R2 and Tiered Cache

- Provider: [Cloudflare Workers](https://down.guide/providers/cloudflare-workers)
- Confidence: Confirmed
- Impact: Maintenance
- lasted 1h 15m
- started 2026-11-14 05:30 UTC
- Chicago, United States - (ORD), R2, Newark, United States - (EWR)
- us
- id: DWN-ff2ce3d199
- Official page: https://www.cloudflarestatus.com/incidents/a643zcsfc71q

## Summary
Cloudflare says a network connectivity issue between data centers from 05:00 UTC caused some R2 requests to return HTTP 500 and some Tiered Cache requests to return 520, 522 or 524 errors. Error rates have been near normal since 05:30 UTC, and monitoring continues.

_Written by anthropic/claude-haiku-5.5 from Cloudflare Workers's own updates._

## Updates from Cloudflare Workers
### 2026-11-14 05:30 UTC: investigating
Cloudflare is aware of, and investigating an issue with R2. Customers in Chicago, IL, may see 503 errors when using R2. We are currently investigating this issue.

### 2026-11-14 05:43 UTC: monitoring
Starting at 05:00 UTC, a network connectivity issue between several Cloudflare data centers caused a small percentage of requests to fail. R2 customers may have seen HTTP 500 errors, and requests for content served through Tiered Cache may have returned 520, 522 or 524 errors. Customers in Chicago and Newark saw the highest error rates, and other locations were affected at lower rates. Error rates have dropped close to normal levels since 05:30 UTC. We are continuing to monitor while the underlying network issue is resolved.

### 2026-11-14 06:45 UTC: resolved
This incident has been resolved.

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