Duo CA Pinning Bundle Update – Action Required for Out-of-Date Clients Impacting DUO67 & DUO81
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In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 03, 2026 - 14:00 EST
Feb 03, 2026 - 14:00 EST
Scheduled - Beginning February 2nd, customers running out of date applications and clients that connect to Duo’s servers will experience connection/authentication failures. If you are impacted by this, you will want to ensure that you update all affected applications and Duo Mobile apps on devices to the latest version with the new Duo CA pinning bundle.
This change is related to Cisco Field Notice FN74372, which provides additional details about the update and its impact: https://www.cisco.com/c/en/us/support/docs/field-notices/743/fn74372.html
You can identify if you are impacted by navigating to the "Unsupported Clients Log" report in the Duo Admin Panel found at Reports > Unsupported Clients Log. You can use this report to find and update any apps/clients running affected software versions.
For full details and guidance, including the minimum unaffected versions and how to update these clients, please refer to our documentation:
https://help.duo.com/s/article/9451
Feb 3, 2026 14:00 - Apr 16, 2026 01:00 EDT
This change is related to Cisco Field Notice FN74372, which provides additional details about the update and its impact: https://www.cisco.com/c/en/us/support/docs/field-notices/743/fn74372.html
You can identify if you are impacted by navigating to the "Unsupported Clients Log" report in the Duo Admin Panel found at Reports > Unsupported Clients Log. You can use this report to find and update any apps/clients running affected software versions.
For full details and guidance, including the minimum unaffected versions and how to update these clients, please refer to our documentation:
https://help.duo.com/s/article/9451
Feb 3, 2026 14:00 - 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
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Email Support
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Support Portal
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DUO1
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Core Authentication Service
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Admin Panel
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Push Delivery
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Phone Call Delivery
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SMS Message Delivery
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Cloud PKI
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SSO
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Cisco Identity Intelligence
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AI Assistant
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DUO2
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Core Authentication Service
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Admin Panel
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Push Delivery
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Phone Call Delivery
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SMS Message Delivery
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Cloud PKI
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Cisco Identity Intelligence
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AI Assistant
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DUO3
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Core Authentication Service
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Phone Call Delivery
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Cloud PKI
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Cisco Identity Intelligence
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DUO4
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Core Authentication Service
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Cisco Identity Intelligence
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DUO5
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Core Authentication Service
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Cloud PKI
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Cisco Identity Intelligence
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DUO6
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Core Authentication Service
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Cisco Identity Intelligence
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DUO7
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Core Authentication Service
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Cisco Identity Intelligence
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DUO8
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DUO12
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DUO13
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Core Authentication Service
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Cisco Identity Intelligence
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DUO14
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Core Authentication Service
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DUO15
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DUO16
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DUO17
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DUO19
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Core Authentication Service
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DUO20
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DUO21
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Core Authentication Service
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DUO22
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Core Authentication Service
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Cisco Identity Intelligence
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DUO23
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Core Authentication Service
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Phone Call Delivery
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Cisco Identity Intelligence
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DUO24
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Core Authentication Service
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Cisco Identity Intelligence
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DUO25
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Core Authentication Service
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DUO26
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Core Authentication Service
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Phone Call Delivery
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DUO27
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Core Authentication Service
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Admin Panel
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Push Delivery
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Phone Call Delivery
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DUO28
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Core Authentication Service
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DUO29
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DUO30
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Core Authentication Service
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DUO31
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Core Authentication Service
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DUO32
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Core Authentication Service
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DUO33
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Core Authentication Service
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DUO34
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DUO38
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DUO39
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Core Authentication Service
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DUO40
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Core Authentication Service
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DUO41
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Core Authentication Service
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DUO42
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DUO43
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DUO46
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DUO51
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DUO52
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DUO53
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Core Authentication Service
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DUO54
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Core Authentication Service
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DUO55
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Core Authentication Service
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Cisco Identity Intelligence
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DUO56
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Core Authentication Service
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Admin Panel
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Phone Call Delivery
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Cloud PKI
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Cisco Identity Intelligence
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AI Assistant
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DUO57
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Core Authentication Service
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Admin Panel
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Phone Call Delivery
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DUO58
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Core Authentication Service
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Phone Call Delivery
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Cloud PKI
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Cisco Identity Intelligence
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AI Assistant
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DUO59
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Core Authentication Service
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Admin Panel
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Phone Call Delivery
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Cisco Identity Intelligence
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DUO60
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Core Authentication Service
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Admin Panel
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Push Delivery
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Cloud PKI
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Cisco Identity Intelligence
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AI Assistant
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DUO62
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Core Authentication Service
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Admin Panel
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Push Delivery
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Phone Call Delivery
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SMS Message Delivery
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Cloud PKI
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SSO
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Cisco Identity Intelligence
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AI Assistant
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DUO63
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Core Authentication Service
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Admin Panel
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Push Delivery
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Phone Call Delivery
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Cloud PKI
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Cisco Identity Intelligence
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DUO64
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Core Authentication Service
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Phone Call Delivery
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DUO65
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Core Authentication Service
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Admin Panel
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Push Delivery
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Phone Call Delivery
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Cisco Identity Intelligence
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DUO66
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Core Authentication Service
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Push Delivery
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Phone Call Delivery
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Cisco Identity Intelligence
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DUO67
Under Maintenance
Core Authentication Service
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Admin Panel
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Push Delivery
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Phone Call Delivery
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DUO69
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Core Authentication Service
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DUO71
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Core Authentication Service
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Cisco Identity Intelligence
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DUO72
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Core Authentication Service
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DUO73
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Core Authentication Service
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Push Delivery
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DUO76
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DUO77
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Core Authentication Service
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DUO78
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Core Authentication Service
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Cisco Identity Intelligence
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DUO79
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Core Authentication Service
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Phone Call Delivery
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Cisco Identity Intelligence
Operational
AI Assistant
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DUO80
Operational
Core Authentication Service
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Admin Panel
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Push Delivery
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Phone Call Delivery
Operational
SMS Message Delivery
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Cloud PKI
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SSO
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Cisco Identity Intelligence
Operational
AI Assistant
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DUO81
Under Maintenance
Core Authentication Service
Under Maintenance
Admin Panel
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Push Delivery
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Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Scheduled Maintenance
Duo CA Pinning Bundle Update – Action Required for Out-of-Date Clients Impacting DUO67, DUO69, and DUO81 Feb 4, 2026 11:00 - Apr 16, 2026 01:00 EDT
Beginning February 2nd, customers running out of date applications and clients that connect to Duo’s servers will experience connection/authentication failures. If you are impacted by this, you will want to ensure that you update all affected applications and Duo Mobile apps on devices to the latest version with the new Duo CA pinning bundle.
This change is related to Cisco Field Notice FN74372, which provides additional details about the update and its impact: https://www.cisco.com/c/en/us/support/docs/field-notices/743/fn74372.html
You can identify if you are impacted by navigating to the "Unsupported Clients Log" report in the Duo Admin Panel found at Reports > Unsupported Clients Log. You can use this report to find and update any apps/clients running affected software versions.
For full details and guidance, including the minimum unaffected versions and how to update these clients, please refer to our documentation:
https://help.duo.com/s/article/9451
Posted on Feb 03, 2026 - 13:48 EST
This change is related to Cisco Field Notice FN74372, which provides additional details about the update and its impact: https://www.cisco.com/c/en/us/support/docs/field-notices/743/fn74372.html
You can identify if you are impacted by navigating to the "Unsupported Clients Log" report in the Duo Admin Panel found at Reports > Unsupported Clients Log. You can use this report to find and update any apps/clients running affected software versions.
For full details and guidance, including the minimum unaffected versions and how to update these clients, please refer to our documentation:
https://help.duo.com/s/article/9451
Posted on Feb 03, 2026 - 13:48 EST
Duo CA Pinning Bundle Update – Action Required for Out-of-Date Clients Impacting DUO48, DUO67, DUO69, DUO70, and DUO81 Feb 4, 2026 15:00 - Apr 16, 2026 01:00 EDT
Beginning February 2nd, customers running out of date applications and clients that connect to Duo’s servers will experience connection/authentication failures. If you are impacted by this, you will want to ensure that you update all affected applications and Duo Mobile apps on devices to the latest version with the new Duo CA pinning bundle.
This change is related to Cisco Field Notice FN74372, which provides additional details about the update and its impact: https://www.cisco.com/c/en/us/support/docs/field-notices/743/fn74372.html
You can identify if you are impacted by navigating to the "Unsupported Clients Log" report in the Duo Admin Panel found at Reports > Unsupported Clients Log. You can use this report to find and update any apps/clients running affected software versions.
For full details and guidance, including the minimum unaffected versions and how to update these clients, please refer to our documentation:
https://help.duo.com/s/article/9451
Posted on Feb 03, 2026 - 13:56 EST
This change is related to Cisco Field Notice FN74372, which provides additional details about the update and its impact: https://www.cisco.com/c/en/us/support/docs/field-notices/743/fn74372.html
You can identify if you are impacted by navigating to the "Unsupported Clients Log" report in the Duo Admin Panel found at Reports > Unsupported Clients Log. You can use this report to find and update any apps/clients running affected software versions.
For full details and guidance, including the minimum unaffected versions and how to update these clients, please refer to our documentation:
https://help.duo.com/s/article/9451
Posted on Feb 03, 2026 - 13:56 EST
Duo CA Pinning Bundle Update – Action Required for Out-of-Date Clients Impacting DUO48, DUO67, DUO68, DUO69, DUO70, and DUO81 Feb 5, 2026 11:00 - Apr 16, 2026 01:00 EDT
Beginning February 2nd, customers running out of date applications and clients that connect to Duo’s servers will experience connection/authentication failures. If you are impacted by this, you will want to ensure that you update all affected applications and Duo Mobile apps on devices to the latest version with the new Duo CA pinning bundle.
This change is related to Cisco Field Notice FN74372, which provides additional details about the update and its impact: https://www.cisco.com/c/en/us/support/docs/field-notices/743/fn74372.html
You can identify if you are impacted by navigating to the "Unsupported Clients Log" report in the Duo Admin Panel found at Reports > Unsupported Clients Log. You can use this report to find and update any apps/clients running affected software versions.
For full details and guidance, including the minimum unaffected versions and how to update these clients, please refer to our documentation:
https://help.duo.com/s/article/9451
Posted on Feb 03, 2026 - 14:04 EST
This change is related to Cisco Field Notice FN74372, which provides additional details about the update and its impact: https://www.cisco.com/c/en/us/support/docs/field-notices/743/fn74372.html
You can identify if you are impacted by navigating to the "Unsupported Clients Log" report in the Duo Admin Panel found at Reports > Unsupported Clients Log. You can use this report to find and update any apps/clients running affected software versions.
For full details and guidance, including the minimum unaffected versions and how to update these clients, please refer to our documentation:
https://help.duo.com/s/article/9451
Posted on Feb 03, 2026 - 14:04 EST
Duo CA Pinning Bundle Update – Action Required for Out-of-Date Clients Impacting DUO48, DUO67, DUO68, DUO69, DUO70, DUO81, US, and EU Deployments Feb 5, 2026 15:00 - Apr 16, 2026 01:00 EDT
Beginning February 2nd, customers running out of date applications and clients that connect to Duo’s servers will experience connection/authentication failures. If you are impacted by this, you will want to ensure that you update all affected applications and Duo Mobile apps on devices to the latest version with the new Duo CA pinning bundle.
This change is related to Cisco Field Notice FN74372, which provides additional details about the update and its impact: https://www.cisco.com/c/en/us/support/docs/field-notices/743/fn74372.html
You can identify if you are impacted by navigating to the "Unsupported Clients Log" report in the Duo Admin Panel found at Reports > Unsupported Clients Log. You can use this report to find and update any apps/clients running affected software versions.
For full details and guidance, including the minimum unaffected versions and how to update these clients, please refer to our documentation:
https://help.duo.com/s/article/9451
Posted on Feb 02, 2026 - 16:52 EST
This change is related to Cisco Field Notice FN74372, which provides additional details about the update and its impact: https://www.cisco.com/c/en/us/support/docs/field-notices/743/fn74372.html
You can identify if you are impacted by navigating to the "Unsupported Clients Log" report in the Duo Admin Panel found at Reports > Unsupported Clients Log. You can use this report to find and update any apps/clients running affected software versions.
For full details and guidance, including the minimum unaffected versions and how to update these clients, please refer to our documentation:
https://help.duo.com/s/article/9451
Posted on Feb 02, 2026 - 16:52 EST
Duo CA Pinning Bundle Update – Action Required for Out-of-Date Clients Impacting DUO48, DUO67, DUO68, DUO69, DUO70, DUO81, US, and all EU Deployments Feb 10, 2026 11:00 - Apr 16, 2026 01:00 EDT
Beginning February 2nd, customers running out of date applications and clients that connect to Duo’s servers will experience connection/authentication failures. If you are impacted by this, you will want to ensure that you update all affected applications and Duo Mobile apps on devices to the latest version with the new Duo CA pinning bundle.
This change is related to Cisco Field Notice FN74372, which provides additional details about the update and its impact: https://www.cisco.com/c/en/us/support/docs/field-notices/743/fn74372.html
You can identify if you are impacted by navigating to the "Unsupported Clients Log" report in the Duo Admin Panel found at Reports > Unsupported Clients Log. You can use this report to find and update any apps/clients running affected software versions.
For full details and guidance, including the minimum unaffected versions and how to update these clients, please refer to our documentation:
https://help.duo.com/s/article/9451
Posted on Feb 02, 2026 - 17:14 EST
This change is related to Cisco Field Notice FN74372, which provides additional details about the update and its impact: https://www.cisco.com/c/en/us/support/docs/field-notices/743/fn74372.html
You can identify if you are impacted by navigating to the "Unsupported Clients Log" report in the Duo Admin Panel found at Reports > Unsupported Clients Log. You can use this report to find and update any apps/clients running affected software versions.
For full details and guidance, including the minimum unaffected versions and how to update these clients, please refer to our documentation:
https://help.duo.com/s/article/9451
Posted on Feb 02, 2026 - 17:14 EST
Duo CA Pinning Bundle Update – Action Required for Out-of-Date Clients Impacting All Deployments Feb 10, 2026 15:00 - Apr 16, 2026 01:00 EDT
Beginning February 2nd, customers running out of date applications and clients that connect to Duo’s servers will experience connection/authentication failures. If you are impacted by this, you will want to ensure that you update all affected applications and Duo Mobile apps on devices to the latest version with the new Duo CA pinning bundle.
This change is related to Cisco Field Notice FN74372, which provides additional details about the update and its impact: https://www.cisco.com/c/en/us/support/docs/field-notices/743/fn74372.html
You can identify if you are impacted by navigating to the "Unsupported Clients Log" report in the Duo Admin Panel found at Reports > Unsupported Clients Log. You can use this report to find and update any apps/clients running affected software versions.
For full details and guidance, including the minimum unaffected versions and how to update these clients, please refer to our documentation:
https://help.duo.com/s/article/9451
Posted on Feb 02, 2026 - 17:18 EST
This change is related to Cisco Field Notice FN74372, which provides additional details about the update and its impact: https://www.cisco.com/c/en/us/support/docs/field-notices/743/fn74372.html
You can identify if you are impacted by navigating to the "Unsupported Clients Log" report in the Duo Admin Panel found at Reports > Unsupported Clients Log. You can use this report to find and update any apps/clients running affected software versions.
For full details and guidance, including the minimum unaffected versions and how to update these clients, please refer to our documentation:
https://help.duo.com/s/article/9451
Posted on Feb 02, 2026 - 17:18 EST