# Tailscale: Certificate creation issues

- Provider: [Tailscale](https://outages.cc/tailscale.md)
- Type: Incident
- State: Resolved
- Worst impact: Degraded performance
- Started: 2026-08-10 16:10 UTC
- Resolved: 2026-08-11 00:42 UTC (lasted 8 h 31 min)
- Official update: https://status.tailscale.com

## Updates from Tailscale

### resolved, 2026-08-17 13:00 UTC

There have been no further problems, and the incident has been resolved.

### monitoring, 2026-08-13 17:18 UTC

We have identified the problem, and a fix has been deployed. We are monitoring for any further problems.

### investigating, 2026-08-12 13:25 UTC

We are investigating a problem which is causing problems with issuing new certificates for MagicDNS hostnames. This problem affects manual certificate issuance and the deployment of new services through Tailscale Serve or Tailscale Funnel. Existing certificates and services currently exposed by Serve or Funnel will remain unaffected as long as the current certificates stay valid.

### monitoring, 2026-08-12 09:30 UTC

A fix has been deployed and we are monitoring for any further problems.

### identified, 2026-08-11 16:28 UTC

We have identified the problem and are rolling out a fix.

### investigating, 2026-08-11 12:30 UTC

We are investigating problems with issuing new certificates for MagicDNS hostnames. This problem affects manual certificate issuance and the deployment of new services through Tailscale Serve or Tailscale Funnel. Existing certificates and services currently exposed by Serve or Funnel will remain unaffected as long as the current certificates stay valid.

### resolved, 2026-08-11 00:42 UTC

This incident has been resolved.

### monitoring, 2026-08-10 18:29 UTC

A fix has been deployed and we are monitoring for any further problems.

### identified, 2026-08-10 17:19 UTC

We have identified the problem and are rolling out a fix.

### investigating, 2026-08-10 16:10 UTC

We are investigating a problem which is causing problems with issuing new certificates for MagicDNS hostnames. This problem affects manual certificate issuance and the deployment of new services through Tailscale Serve or Tailscale Funnel. Existing certificates and services currently exposed by Serve or Funnel will remain unaffected as long as the current certificates stay valid.