All Deployments - Entra 504 Gateway Timeouts

Incident Report for Duo

Resolved

The issue causing 504 gateway timeouts during Microsoft Entra logins when Duo MFA was called has been fully resolved. Authentication services are operating normally at this time.

We will share a root cause analysis once it becomes available.
Posted Feb 23, 2026 - 12:52 EST

Monitoring

We have deployed a fix for the gateway timeouts and are now seeing successful authentications. We are currently monitoring for any further issues.
Posted Feb 23, 2026 - 11:38 EST

Update

We are continuing to investigate an issue where 504 Gateway timeouts are present when accessing Entra when Duo is called for MFA. We are working with our respective partners to resolve as quickly as possible.
Posted Feb 23, 2026 - 11:20 EST

Investigating

We are currently investigating an issue where 504 Gateway timeouts are present when accessing Entra when Duo is called for MFA. We are working to resolve as quickly as possible.
Posted Feb 23, 2026 - 10:04 EST
This incident affected: DUO1 (Core Authentication Service), DUO2 (Core Authentication Service), DUO3 (Core Authentication Service), DUO4 (Core Authentication Service), DUO5 (Core Authentication Service), DUO7 (Core Authentication Service), DUO8 (Core Authentication Service), DUO47 (Core Authentication Service), DUO10 (Core Authentication Service), DUO11 (Core Authentication Service), DUO12 (Core Authentication Service), DUO13 (Core Authentication Service), DUO14 (Core Authentication Service), DUO15 (Core Authentication Service), DUO16 (Core Authentication Service), DUO17 (Core Authentication Service), DUO18 (Core Authentication Service), DUO19 (Core Authentication Service), DUO20 (Core Authentication Service), DUO21 (Core Authentication Service), DUO22 (Core Authentication Service), DUO23 (Core Authentication Service), DUO24 (Core Authentication Service), DUO25 (Core Authentication Service), DUO26 (Core Authentication Service), DUO27 (Core Authentication Service), DUO28 (Core Authentication Service), DUO29 (Core Authentication Service), DUO30 (Core Authentication Service), DUO31 (Core Authentication Service), DUO32 (Core Authentication Service), DUO33 (Core Authentication Service), DUO34 (Core Authentication Service), DUO36 (Core Authentication Service), DUO37 (Core Authentication Service), DUO38 (Core Authentication Service), DUO39 (Core Authentication Service), DUO40 (Core Authentication Service), DUO41 (Core Authentication Service), DUO42 (Core Authentication Service), DUO43 (Core Authentication Service), DUO44 (Core Authentication Service), DUO45 (Core Authentication Service), DUO46 (Core Authentication Service), DUO48 (Core Authentication Service), DUO9 (Core Authentication Service), DUO49 (Core Authentication Service), DUO50 (Core Authentication Service), DUO51 (Core Authentication Service), DUO52 (Core Authentication Service), DUO53 (Core Authentication Service), DUO54 (Core Authentication Service), DUO55 (Core Authentication Service), DUO56 (Core Authentication Service), DUO57 (Core Authentication Service), DUO58 (Core Authentication Service), DUO59 (Core Authentication Service), DUO60 (Core Authentication Service), DUO62 (Core Authentication Service), DUO63 (Core Authentication Service), DUO65 (Core Authentication Service), DUO66 (Core Authentication Service), DUO67 (Core Authentication Service), DUO68 (Core Authentication Service), DUO69 (Core Authentication Service), DUO70 (Core Authentication Service), DUO71 (Core Authentication Service), DUO72 (Core Authentication Service), DUO73 (Core Authentication Service), DUO74 (Core Authentication Service), DUO75 (Core Authentication Service), DUO76 (Core Authentication Service), DUO77 (Core Authentication Service), DUO78 (Core Authentication Service), DUO79 (Core Authentication Service), DUO80 (Core Authentication Service), DUO81 (Core Authentication Service), DUO6 (Core Authentication Service), and DUO35 (Core Authentication Service).