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TailscaleIncident detail
Certificate creation issues
Resolved incidentMajor
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Timeline
Incident updates
Every update on the official status source, oldest to newest, exactly as it appeared there.
Investigating
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.
Identified
We have identified the problem and are rolling out a fix
Monitoring
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.
Resolved
This incident has been resolved.
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