Cloudflare Outage Halts Backup for New PC

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 On November 18, 2025, Cloudflare’s global network suffered a service degradation that rippled across Access, WARP, and application services.

Incident Snapshot

  • 11:48 UTC – Investigating: Cloudflare reported internal issues affecting multiple services.

  • 12:21 UTC – Partial Recovery: Some services improved, but error rates remained high.

  • 13:04 UTC – WARP Disabled in London: Temporary suspension caused connection failures.

  • 13:09 UTC – Root Cause Identified: Engineers began implementing a fix.

  • 13:13 UTC – Access & WARP Restored: Services returned to normal, WARP re-enabled in London.

  • 13:35 UTC – Ongoing Restoration: Application services still impacted, remediation continued.

  • 13:58 UTC – Ongoing Restoration: Application services still impacted, remediation continued.

  • Update - We are continuing to work on a fix for this issue.
    Nov 18, 2025 - 14:22 UTC

  • Update - We've deployed a change which has restored dashboard services. We are still working to remediate broad application services impact
    Nov 18, 2025 - 14:34 UTC

  • Monitoring - A fix has been implemented and we believe the incident is now resolved. We are continuing to monitor for errors to ensure all services are back to normal.
    Nov 18, 2025 - 14:42 UTC

  • Update - Some customers may be still experiencing issues logging into or using the Cloudflare dashboard. We are working on a fix to resolve this, and continuing to monitor for any further issues.
    Nov 18, 2025 - 14:57 UTC

Personal Impact

During this outage, I was in the middle of backing up a new PC. The degraded network meant:

  • Backups stalled mid-transfer.

  • Risk of corrupted or incomplete files increased.

  • I made the decision to suspend the backup until Cloudflare stabilized. Update: The backup is now resumed to watch monitoring closely.

Lessons Learned

  • Redundancy is essential: Always keep local or secondary backup options.

  • Monitor provider status: Real-time updates guide safe decisions.

  • Plan for outages: Even reliable networks can fail—workflows should pause and resume gracefully.

Conclusion

The Cloudflare outage was a reminder that global infrastructure isn’t immune to disruption. For me, it meant halting a critical backup process to protect data integrity. As Cloudflare continues strengthening its systems, users must also build resilient workflows that can withstand unexpected interruptions.

The article was verified and fact-checked by UMC Team. This text contains AI-generated with help of Copilot.

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