Read the deployment instructions for Duo Single Sign-On for Microsoft 365 Your end users will sign in and perform two-factor authentication at Duo's cloud-hosted SSO service, and do not contact the on-premises Authentication Proxy servers directly. This solution requires deployment of the Duo Authentication Proxy on your internal network to verify primary logon credentials against Active Directory. Duo Single Sign-On acts as an identity provider (IdP), authenticating your users using existing on-premises Active Directory (AD) credentials and prompting for two-factor authentication before permitting access to Microsoft 365. Azure grants application or service access after satisfying the Duo Conditional Access policy.ĭuo Single Sign-on is a cloud-hosted Security Assertion Markup Language (SAML) 2.0 SSO solution that adds two-factor authentication to Microsoft 365 and Azure logins.Client sends Duo approval back to Azure.Secondary authentication approval returned to client.Authentication approval returned to Duo service.User receives Duo Push authentication request on device.
User received the Duo Prompt and submits factor selection.An Azure Conditional Access policy redirects the client browser to Duo.User submits primary Azure credentials.User accesses Microsoft Online or other services using Azure authentication.Read the deployment instructions for Duo for Azure Conditional Access. After your end users complete primary authentication in Azure they will be redirected to Duo's cloud service to complete two-factor authentication, and subsequently redirected back to Microsoft's service. This solution does not require any Duo software deployed on-premises.
Conditional access policies featuring the Duo control can be applied to Azure users, groups, applications, login contexts, and many other categories. Microsoft customers with subscription plans that include Azure AD Premium P1 or P2 can secure Microsoft 365 and Azure logons with the Duo custom control for Azure Active Directory.
Duo Custom Control for Azure Active Directory Conditional Access Learn more about these configurations and choose the best option for your organization. Duo supports multiple solutions for adding two-factor authentication to Microsoft's online services like Microsoft 365, Office 365, and Azure Active Directory.
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