# Tailscale: Certificate creation issues

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-08-10 16:10 UTC · Resolved: 2026-08-17 13:00 UTC · Duration: 7 d
- Updates: 10 · Affected components: Certificates, Certificates, Certificates
- [Vendor status page: https://status.tailscale.com/incidents/01KZP71YTTQQB95JEFNMY0J15A](https://status.tailscale.com/incidents/01KZP71YTTQQB95JEFNMY0J15A)
- [Company: Tailscale](https://rewindex.com/company/tailscale.md)

## Timeline of updates

- **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.
- **identified** 2026-08-10 17:19 UTC: We have identified the problem and are rolling out a fix.
- **monitoring** 2026-08-10 18:29 UTC: A fix has been deployed and we are monitoring for any further problems.
- **resolved** 2026-08-11 00:42 UTC: This incident has been resolved.
- **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.
- **identified** 2026-08-11 16:28 UTC: We have identified the problem and are rolling out a fix.
- **monitoring** 2026-08-12 09:30 UTC: A fix has been deployed and 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** 2026-08-13 17:18 UTC: We have identified the problem, and a fix has been deployed. We are monitoring for any further problems.
- **resolved** 2026-08-17 13:00 UTC: There have been no further problems, and the incident has been resolved.


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Canonical: https://rewindex.com/company/tailscale/incidents/01KZP71YTTQQB95JEFNMY0J15A · Markdown: https://rewindex.com/company/tailscale/incidents/01KZP71YTTQQB95JEFNMY0J15A.md · JSON: https://rewindex.com/api/v1/companies/tailscale/incidents/01KZP71YTTQQB95JEFNMY0J15A · Generated 2026-10-18T11:32:17.626Z