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Tailscale · Developer toolsAug 3, 2026, 08:39 UTC

Certificate creation issues

MinorNot disclosedUpdated 19h ago
Aug 3, 08:39 UTCAug 3, 16:24 UTC
Duration
7h 44m
Impact
Minor
Root cause
Not disclosed
Tailscale, 90 days
23 incidents
Affected
Not listed by the vendor.
Status page

Final update

This incident has been resolved.

Timeline

  1. Resolved · Aug 3, 16:24 UTC
    This incident has been resolved.
  2. Monitoring · Aug 3, 14:41 UTC
    A fix has been deployed and we are monitoring for any further problems.
  3. Investigating · Aug 3, 11:12 UTC
    During our monitoring of this fix, we have noticed an increase in the error rate, which our engineers are investigating further.
  4. Monitoring · Aug 3, 10:47 UTC
    A fix has been deployed and we are monitoring for any further problems.
  5. Investigating · Aug 3, 09:41 UTC
    Our engineers have identified that this incident also affects creation of new Funnel and Serve domains. Existing Funnel and Serve domains remain unaffected.
  6. Investigating · Aug 3, 08:39 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 and Funnel. Existing certificates and services currently exposed by Serve and 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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