Resolved
After continued monitoring of the third-party carrier's status, the issue causing intermittent SMS delivery to the US region is resolved.
Posted Apr 22, 2025 - 11:05 EDT
Monitoring
We have identified the issue causing intermittent SMS delivery failures in the US region to be caused by a third party carrier. We are monitoring the carrier's status at this time.
Posted Apr 22, 2025 - 10:40 EDT
Investigating
We are currently investigating an issue causing intermittent SMS delivery 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 Apr 22, 2025 - 10:18 EDT
This incident affected: DUO1 (SMS Message Delivery), DUO2 (SMS Message Delivery), DUO3 (SMS Message Delivery), DUO4 (SMS Message Delivery), DUO5 (SMS Message Delivery), DUO6 (SMS Message Delivery), DUO7 (SMS Message Delivery), DUO8 (SMS Message Delivery), DUO47 (SMS Message Delivery), DUO10 (SMS Message Delivery), DUO11 (SMS Message Delivery), DUO12 (SMS Message Delivery), DUO13 (SMS Message Delivery), DUO14 (SMS Message Delivery), DUO15 (SMS Message Delivery), DUO16 (SMS Message Delivery), DUO17 (SMS Message Delivery), DUO18 (SMS Message Delivery), DUO19 (SMS Message Delivery), DUO20 (SMS Message Delivery), DUO21 (SMS Message Delivery), DUO22 (SMS Message Delivery), DUO23 (SMS Message Delivery), DUO24 (SMS Message Delivery), DUO25 (SMS Message Delivery), DUO26 (SMS Message Delivery), DUO27 (SMS Message Delivery), DUO28 (SMS Message Delivery), DUO29 (SMS Message Delivery), DUO30 (SMS Message Delivery), DUO31 (SMS Message Delivery), DUO32 (SMS Message Delivery), DUO33 (SMS Message Delivery), DUO34 (SMS Message Delivery), DUO36 (SMS Message Delivery), DUO37 (SMS Message Delivery), DUO38 (SMS Message Delivery), DUO39 (SMS Message Delivery), DUO40 (SMS Message Delivery), DUO41 (SMS Message Delivery), DUO42 (SMS Message Delivery), DUO43 (SMS Message Delivery), DUO44 (SMS Message Delivery), DUO45 (SMS Message Delivery), DUO46 (SMS Message Delivery), DUO48 (SMS Message Delivery), DUO9 (SMS Message Delivery), DUO49 (SMS Message Delivery), DUO50 (SMS Message Delivery), DUO51 (SMS Message Delivery), DUO52 (SMS Message Delivery), DUO53 (SMS Message Delivery), DUO54 (SMS Message Delivery), DUO55 (SMS Message Delivery), DUO56 (SMS Message Delivery), DUO57 (SMS Message Delivery), DUO58 (SMS Message Delivery), DUO59 (SMS Message Delivery), DUO60 (SMS Message Delivery), DUO61 (SMS Message Delivery), DUO62 (SMS Message Delivery), DUO63 (SMS Message Delivery), DUO64 (SMS Message Delivery), DUO65 (SMS Message Delivery), DUO66 (SMS Message Delivery), DUO67 (SMS Message Delivery), DUO68 (SMS Message Delivery), DUO69 (SMS Message Delivery), DUO70 (SMS Message Delivery), DUO71 (SMS Message Delivery), DUO72 (SMS Message Delivery), DUO73 (SMS Message Delivery), DUO74 (SMS Message Delivery), DUO75 (SMS Message Delivery), DUO76 (SMS Message Delivery), DUO77 (SMS Message Delivery), DUO78 (SMS Message Delivery), DUO79 (SMS Message Delivery), DUO80 (SMS Message Delivery), DUO81 (SMS Message Delivery), and DUO35 (SMS Message Delivery).