Outage in Cisco Duo
Authentication failures
Resolved MinorIncident Report
Summary AI Generated
Cisco Duo experienced authentication failures on the DUO57 server affecting the Core Authentication Service for 2.8 hours. Users encountered limited authentication failures during this period. The issue was identified, fixed, and full functionality was restored after monitoring confirmed system stability.
We are currently investigating an issue causing limited authentication failures on DUO57 and are working to correct the issue as soon as possible.
Components affected
Cisco Duo Core Authentication ServiceTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
1 day ago - at 05/13/2026 04:03PM
The issue causing authentication failures on DUO57 with the Duo Core Authentication Service is now resolved and full functionality has been restored.
MONITORING
1 day ago - at 05/13/2026 03:37PM
We have implemented a fix for the issue causing authentication failures on DUO57 with the Duo Core Authentication Service.
We will continue to monitor system performance and authentication success rates and will provide further updates once the incident is fully resolved.
IDENTIFIED
1 day ago - at 05/13/2026 02:52PM
We have identified the cause of the issue causing authentication failures on DUO57 with the Duo Core Authentication Service and are actively working to restore service.
INVESTIGATING
1 day ago - at 05/13/2026 01:22PM
We are currently investigating an issue causing limited authentication failures on DUO57 and are working to correct the issue as soon as possible.
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