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Tailscale · Developer toolsAug 10, 2026, 16:10 UTC

Certificate creation issues

MinorNot disclosedUpdated 17h ago
Aug 10, 16:10 UTCAug 11, 00:42 UTC
Duration
8h 31m
Impact
Minor
Root cause
Not disclosed
Tailscale, 90 days
23 incidents
Affected
Not listed by the vendor.
Status page

Final update

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

Timeline

  1. Resolved · Aug 17, 13:00 UTC
    There have been no further problems, and the incident has been resolved.
  2. Monitoring · Aug 13, 17:18 UTC
    We have identified the problem, and a fix has been deployed. We are monitoring for any further problems.
  3. Investigating · Aug 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.
  4. Monitoring · Aug 12, 09:30 UTC
    A fix has been deployed and we are monitoring for any further problems.
  5. Identified · Aug 11, 16:28 UTC
    We have identified the problem and are rolling out a fix.
  6. Investigating · Aug 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.
  7. Resolved · Aug 11, 00:42 UTC
    This incident has been resolved.
  8. Monitoring · Aug 10, 18:29 UTC
    A fix has been deployed and we are monitoring for any further problems.
  9. Identified · Aug 10, 17:19 UTC
    We have identified the problem and are rolling out a fix.
  10. Investigating · Aug 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.

More from Tailscale

Full history
StartedIncidentDuration
Sep 1606:43 UTCIru (formerly Kandji) device posture integration failure2h 13m
Sep 123:10 UTCSCIM groups not being updated for secondary tailnets in multi tailnet organizations29m
Sep 112:47 UTCFunnel connectivity issues3h 31m
Aug 2814:16 UTCGoogle user and group sync issues2h 50m
Aug 2417:14 UTCCoordination service issues1h 27m
Aug 2000:58 UTCCoordination service issues2h 24m

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