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90.7%of 54 verified observed days had no reported provider issue
90-Day Trend
Dashed calendar markers below identify legacy observations whose source-at-observation was not recorded.
Monthly Status Summary
Month
Issue-free days
Days Tracked
Days with issues
September 2026
96.3%
27
1
This percentage summarizes normalized provider-status observations by calendar day. It is not duration-based, component-weighted, or contractual uptime. See the methodology and limitations.
Recorded Daily Status (Last 91 Days)
Jul 23Today
Legacy observation Operational Degraded Partial Outage Major Outage Maintenance No Data
Incident History
No source-attested incident records are available for the current collector history. Older legacy archive records remain available below.
Legacy Incident Archive
39 archived records restored. These records predate source-at-observation attestation. They are shown as historical ServiceAlert records only and do not establish a provider-reported incident, resolution, duration, or current active state.
August 2026
Coordination service issues
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
The issue has been isolated and we are monitoring for any further problems.
investigating
We are investigating a problem causing an elevated rate of errors in our coordination service, and are working to understand the full impact of the problem.
Coordination service issues
majorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been deployed and we are monitoring for any further problems.
identified
We have identified the problem and are rolling out a fix.
investigating
We are investigating a problem causing an elevated rate of errors in our coordination service, and are working to understand the full impact of the problem.
Issues with browser-based Tailscale clients
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been deployed and we are monitoring for any further problems.
identified
We have identified the problem and are rolling out a fix.
investigating
We are investigating an issue causing problems with connections from browser-based Tailscale clients, including Tailscale SSH via the Tailscale console.
Coordination service performance issues
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been deployed and we are monitoring for any further problems.
identified
We have identified the problem and are rolling out a fix.
monitoring
A fix has been deployed and we are monitoring for any further problems.
investigating
We are aware of reports of the coordination service responding slowly and affecting some users, and we are investigating the scope of the issue.
Login attempts failing
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been deployed and we are monitoring for any further problems.
identified
We have identified the problem and are rolling out a fix.
investigating
We are aware of unresponsive logins for some users. We are investigating the cause.
Certificate creation issues
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
We have identified the problem, and a fix has been deployed. We are monitoring for any further problems.
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.
Existing certificates and services currently exposed by Serve or Funnel will remain unaffected as long as the current certificates stay valid.
monitoring
A fix has been deployed and we are monitoring for any further problems.
identified
We have identified the problem and are rolling out a fix.
investigating
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.
resolved
This incident has been resolved.
monitoring
A fix has been deployed and we are monitoring for any further problems.
identified
We have identified the problem and are rolling out a fix.
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.
Existing certificates and services currently exposed by Serve or Funnel will remain unaffected as long as the current certificates stay valid.
Certificate creation issues
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been deployed and we are monitoring for any further problems.
investigating
During our monitoring of this fix, we have noticed an increase in the error rate, which our engineers are investigating further.
monitoring
A fix has been deployed and we are monitoring for any further problems.
investigating
Our engineers have identified that this incident also affects creation of new Funnel and Serve domains. Existing Funnel and Serve domains remain unaffected.
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 and Funnel.
Existing certificates and services currently exposed by Serve and Funnel will remain unaffected as long as the current certificates stay valid.
Coordination server issues
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been deployed and we are monitoring for any further problems.
investigating
We are investigating a problem causing an elevated rate of errors in our coordination service,
resolved
The service is still healthy and this incident has been resolved.
monitoring
A fix has been deployed and we are monitoring for any further problems.
investigating
We are investigating a problem causing an elevated rate of errors in our coordination service, and are working to understand the full impact of the problem.
Log streaming performance issues
Source not attested
Last archived state: resolved
View archived record details
monitoring
Log streaming remains operational, and we are monitoring. Some users may still see delayed log delivery to streaming endpoints, however live logs remain available via API and Admin Console.
identified
Log streaming has been restored, but some users may still see delayed log delivery.
investigating
We are investigating an issue with tailnet log streaming availability.
July 2026
Some users are experiencing Error 500 messages when trying to sign in
minorSource not attested
Last archived state: resolved
View archived record details
monitoring
A fix has been deployed and we are monitoring for any further problems.
investigating
We are investigating a problem where some users are encountering an Error 500 message when trying to sign in to Tailscale.
