All Deployments: Duo Phone Call Authentication Failure for US Region

Incident Report for Duo

Resolved

The third-party issue with intermittent phone call failures for the US region has been resolved.
Posted Mar 31, 2025 - 12:20 EDT

Monitoring

We have implemented a workaround for the third-party issue with intermittent phone call failures in the US region and are monitoring the results at this time.
Posted Mar 31, 2025 - 12:04 EDT

Investigating

We are currently investigating an issue causing intermittent phone call failures in the US region.

While we investigate this, please use alternate authentication methods such as Duo Push, Duo Mobile Passcodes, Hardware Token etc. to login to your Duo-protected integrations.

Please check back here or subscribe to updates for any changes.
Posted Mar 31, 2025 - 11:49 EDT
This incident affected: DUO1 (Phone Call Delivery), DUO2 (Phone Call Delivery), DUO3 (Phone Call Delivery), DUO4 (Phone Call Delivery), DUO5 (Phone Call Delivery), DUO6 (Phone Call Delivery), DUO7 (Phone Call Delivery), DUO8 (Phone Call Delivery), DUO47 (Phone Call Delivery), DUO10 (Phone Call Delivery), DUO11 (Phone Call Delivery), DUO12 (Phone Call Delivery), DUO13 (Phone Call Delivery), DUO14 (Phone Call Delivery), DUO15 (Phone Call Delivery), DUO16 (Phone Call Delivery), DUO17 (Phone Call Delivery), DUO18 (Phone Call Delivery), DUO19 (Phone Call Delivery), DUO20 (Phone Call Delivery), DUO21 (Phone Call Delivery), DUO22 (Phone Call Delivery), DUO23 (Phone Call Delivery), DUO24 (Phone Call Delivery), DUO25 (Phone Call Delivery), DUO26 (Phone Call Delivery), DUO27 (Phone Call Delivery), DUO28 (Phone Call Delivery), DUO29 (Phone Call Delivery), DUO30 (Phone Call Delivery), DUO31 (Phone Call Delivery), DUO32 (Phone Call Delivery), DUO33 (Phone Call Delivery), DUO34 (Phone Call Delivery), DUO36 (Phone Call Delivery), DUO37 (Phone Call Delivery), DUO38 (Phone Call Delivery), DUO39 (Phone Call Delivery), DUO40 (Phone Call Delivery), DUO41 (Phone Call Delivery), DUO42 (Phone Call Delivery), DUO43 (Phone Call Delivery), DUO44 (Phone Call Delivery), DUO45 (Phone Call Delivery), DUO46 (Phone Call Delivery), DUO48 (Phone Call Delivery), DUO9 (Phone Call Delivery), DUO49 (Phone Call Delivery), DUO50 (Phone Call Delivery), DUO51 (Phone Call Delivery), DUO52 (Phone Call Delivery), DUO53 (Phone Call Delivery), DUO54 (Phone Call Delivery), DUO55 (Phone Call Delivery), DUO56 (Phone Call Delivery), DUO57 (Phone Call Delivery), DUO58 (Phone Call Delivery), DUO59 (Phone Call Delivery), DUO60 (Phone Call Delivery), DUO61 (Phone Call Delivery), DUO62 (Phone Call Delivery), DUO63 (Phone Call Delivery), DUO64 (Phone Call Delivery), DUO65 (Phone Call Delivery), DUO66 (Phone Call Delivery), DUO67 (Phone Call Delivery), DUO68 (Phone Call Delivery), DUO69 (Phone Call Delivery), DUO70 (Phone Call Delivery), DUO71 (Phone Call Delivery), DUO72 (Phone Call Delivery), DUO73 (Phone Call Delivery), DUO74 (Phone Call Delivery), DUO75 (Phone Call Delivery), DUO76 (Phone Call Delivery), DUO77 (Phone Call Delivery), DUO78 (Phone Call Delivery), DUO79 (Phone Call Delivery), DUO80 (Phone Call Delivery), DUO81 (Phone Call Delivery), and DUO35 (Phone Call Delivery).