Duo CA Pinning Bundle Update – Action Required for Out-of-Date Clients Impacting All Deployments
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 10, 2026 - 15:00 EST
Scheduled - Beginning February 2nd, customers using outdated Duo-connected applications or clients may experience authentication failures. Impacted customers should update all affected applications and Duo Mobile apps to the latest versions with the new Duo CA pinning bundle. Impact can be confirmed via the Unsupported Clients Log in the Duo Admin Panel, and full guidance is available in Duo documentation and Cisco Field Notice FN74372.

https://help.duo.com/s/article/9451
https://www.cisco.com/c/en/us/support/docs/field-notices/743/fn74372.html
Feb 10, 2026 15:00 - Apr 16, 2026 01:00 EDT

About This Site

This page provides status information on the services that are part of Duo Security. Check back here to view the current status of the services listed below. If you are experiencing an issue not listed here, please contact support. You can find your deployment ID in the Duo Admin Panel under Help.

The Duo Guide to Business Continuity will help you understand the two categories of Duo service outages, Duo’s failure modes and how to decide on Fail Safe vs. Fail Secure, how your applications will respond to different types of outages, and be prepared to message your users during an outage.

If you have any questions beyond the updates provided here, please contact us at support@duo.com.

Duo Support Operational
Phone Support Operational
Email Support Operational
Support Portal Operational
DUO1 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO2 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO3 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
DUO4 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO5 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
Cisco Identity Intelligence Operational
DUO6 Operational
Admin Panel Operational
Core Authentication Service Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO7 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO8 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
DUO9 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO10 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO11 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
DUO12 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
DUO13 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO14 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO15 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO16 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO17 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO18 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO19 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO20 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO21 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO22 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO23 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO24 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO25 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
DUO26 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
DUO27 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
DUO28 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO29 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
DUO30 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
DUO31 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO32 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
DUO33 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO34 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
DUO35 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO36 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO37 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO38 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
DUO39 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO40 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO41 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO42 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO43 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
Cisco Identity Intelligence Operational
DUO44 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
DUO45 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
Cisco Identity Intelligence Operational
DUO46 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
Cisco Identity Intelligence Operational
DUO47 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
DUO48 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
DUO49 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO50 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO51 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
DUO52 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO53 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
DUO54 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
DUO55 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO56 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO57 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
DUO58 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO59 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
Cisco Identity Intelligence Operational
DUO60 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO61 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
DUO62 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO63 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO65 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO66 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO67 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO68 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO69 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
AI Assistant Operational
DUO70 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
DUO71 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
DUO72 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO73 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO74 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO75 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO76 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO77 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO78 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO79 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO80 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Cisco Identity Intelligence Operational
AI Assistant Operational
DUO81 Operational
Core Authentication Service Operational
Admin Panel Operational
Push Delivery Operational
Phone Call Delivery Operational
SMS Message Delivery Operational
Cloud PKI Operational
SSO Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Mar 23, 2026

No incidents reported today.

Mar 22, 2026
Duo Phone Call Authentication Failure for US Based Carriers
Resolved - VoIP authentication has returned to normal operation with sustained success rates observed.
Mar 22, 22:23 EDT
Monitoring - We are now observing high rates of success of VoIP authentication. The issue appears to be resolved but we will continue to monitor the situation.
Mar 22, 20:01 EDT
Investigating - We are currently observing a recurrence of the issue causing VOIP authentication failures in all deployments in the US region. We are working to correct the issue as soon as possible. While we work to resolve this, please use alternative authentication methods such as Duo Mobile Push, SMS passcodes etc.

A full list of available authentication methods can be found here:
https://duo.com/docs/policy#authentication-methods
Mar 22, 18:13 EDT
Duo Phone Call Authentication Failure for US Based Carriers
Resolved - VoIP authentication has returned to normal operation with sustained success rates observed.
Mar 22, 16:33 EDT
Monitoring - We are now observing high rates of success of VoIP authentication. We will continue to monitor the situation.
Mar 22, 16:00 EDT
Update - We are observing a recovery in voice call processing across the U.S. and are continuing to investigate the root cause of this impact.
Mar 22, 15:13 EDT
Investigating - We are currently investigating an issue causing VOIP authentication failures in all the deployments in the US region and are working to correct the issue as soon as possible. At this time please use alternative authentication methods such as Duo Mobile Push, or SMS passcodes.

A list of all other alternative authentication methods can be found here:
https://duo.com/docs/policy#authentication-methods

Please check back here or subscribe to updates for any changes.
Mar 22, 13:18 EDT
Mar 21, 2026

No incidents reported.

Mar 20, 2026

No incidents reported.

Mar 19, 2026

No incidents reported.

Mar 18, 2026

No incidents reported.

Mar 17, 2026

No incidents reported.

Mar 16, 2026

No incidents reported.

Mar 15, 2026

No incidents reported.

Mar 14, 2026

No incidents reported.

Mar 13, 2026

No incidents reported.

Mar 12, 2026

No incidents reported.

Mar 11, 2026

No incidents reported.

Mar 10, 2026

No incidents reported.

Mar 9, 2026

No incidents reported.

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