This page shows the live Cisco Duo Core Authentication Service status so you can confirm in seconds if Cisco Duo Core Authentication Service is down.
Cisco Duo Core Authentication Service is operational
IsDown pulls data from the official status page every few minutes and collects user-reported Cisco Duo Core Authentication Service issues.
Refresh the page to see the latest updates.
This chart displays the number of user-reported Cisco Duo Core Authentication Service problems over the past 24 hours, grouped into 20-minute intervals. It's normal to see occasional reports, which may be due to individual user issues rather than a broader problem.
Know the moment Cisco Duo and other vendors go down
IsDown has tracked 14 incidents for Cisco Duo Core Authentication Service since started monitoring Cisco Duo downtimes in February 2021. We are also collecting data from 4000+ services, and normalize the data to give you a clear picture of the impact of the outage.
3 months ago · lasted about 7 hours
We are currently investigating an issue causing Admin Panel login and SMS/Phone Call delivery failures across all deployments. If you can access your Admin Panel, please utilize our other MFA methods such as Push, Passcodes, Hardware Tokens, and ...
6 months ago · lasted 43 minutes
We are currently investigating an issue that is affecting authentication using Yubikey tokens on Federal Deployments. We are working on remediation and will provide more updates as soon as we have more information.
11 months ago · lasted about 4 hours
Duo is investigating an issue with our integration with Microsoft Intune. Customers utilizing Trusted Endpoints with Microsoft Intune may experience issues with devices being incorrectly identified as untrusted.
about 1 year ago · lasted about 1 hour
We are currently investigating an issue preventing customers from signing up for Duo trial accounts. Current attempts to create a trial account result in an error that states "We're sorry, but there was an error creating your account. Please co...
over 1 year ago · lasted 21 minutes
We have identified an issue that resulted in a period of approximately 9 minutes where authentication to Duo Applications and the Duo Admin Panel for customers on the DUO3 deployment would fail, and have deployed a fix. Authentication services are...
We've tracked and collected 14 incidents for Cisco Duo Core Authentication Service since started monitoring Cisco Duo status
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Number of Incidents
0 issues
Last incident
84 days ago
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Services commonly monitored together with Cisco Duo
Cisco Duo Core Authentication Service isn't down. You can check Cisco Duo Core Authentication Service status and incident details on the top of the page. IsDown continuously monitors Cisco Duo Core Authentication Service official status page every few minutes. In the last 24 hours, there were 0 outages reported.
Cisco Duo Core Authentication Service is currently operational. You can check Cisco Duo Core Authentication Service status and incident details on the top of the page. The status is updated in almost real-time, and you can see the latest outages and issues affecting customers.
No, there is no ongoing official outage. Check on the top of the page if there are any reported problems by other users.
Currently there's no report of Cisco Duo Core Authentication Service being slow. Check on the top of the page if there are any reported problems by other users.
IsDown monitors the Cisco Duo Core Authentication Service official status page every few minutes. We also get reports from users like you. If there are enough reports about an outage, we'll show it on the top of the page.
Cisco Duo Core Authentication Service last outage was on February 13, 2025 with the title "All Deployments: Core Authentication Service, Admin Panel logins, Device Management Portal, Risk-based Authentication, and Telephony Authentication"
IsDown and DownDetector help users determine if a service is having problems. The big difference is that IsDown is a status page aggregator. IsDown monitors a service's official status page to give our customers a more reliable source of information. The integration allows us to provide more details about the outage, like incident title, description, updates, and the parts of the affected service. Additionally, users can create internal status pages and set up notifications for all their third-party services.
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