Tailscale experienced a minor incident on June 1, 2026 affecting Certificates, lasting —. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Jun 01, 2026, 09:05 AM UTC
Status: 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. Affected components Certificates (Partial outage)
- identified Jun 01, 2026, 10:12 AM UTC
Status: Identified We have identified the problem and are rolling out a fix Affected components Certificates (Partial outage)
- monitoring Jun 01, 2026, 01:33 PM UTC
Status: 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. Affected components Certificates (Operational)
- resolved Jun 01, 2026, 02:00 PM UTC
Status: Resolved This incident has been resolved. Affected components Certificates (Operational)