Outage in Tailscale
Certificate creation issues
Resolved Minor
June 01, 2026 - Started 11 days ago
- Lasted about 24 hours
Incident Report
Summary AI Generated
Tailscale experienced certificate creation issues for MagicDNS hostnames that prevented manual certificate issuance and deployment of new services through Tailscale Serve or Funnel. Existing certificates and currently running services remained unaffected during the 24-hour incident. The problem was identified and mitigated with a fix deployed around 1pm UTC, with no recurrences observed in the following hour.
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.
Error rates are noted to have been higher since 2026-05-31 19:16 UTC
Existing certificates and services currently exposed by Serve or Funnel will remain unaffected as long as the current certificates stay valid.
Components affected
Tailscale CertificatesTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
MONITORING
11 days ago - at 06/01/2026 01:33PM
A mitigation was deployed shortly after 1pm UTC for the issue impacting certificate creation. We have seen no recurrences in the last hour and we are now monitoring the situation.
IDENTIFIED
11 days ago - at 06/01/2026 10:12AM
We have identified the problem and are rolling out a fix
INVESTIGATING
11 days ago - at 06/01/2026 09:05AM
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.
Error rates are noted to have been higher since 2026-05-31 19:16 UTC
Existing certificates and services currently exposed by Serve or Funnel will remain unaffected as long as the current certificates stay valid.
Latest Tailscale outages
Coordination service performance issues - about 1 month ago
Admin Console inaccessible - about 2 months ago
Coordination service performance issues - about 2 months ago
Funnel performance degradation - about 2 months ago
Coordination service performance issues - 2 months ago
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