The SAML 2.0 relying party (SP-STS) for a Microsoft cloud service used in this scenario is Azure AD. This document contains detailed requirements on the protocol and message formatting that your SAML 2.0 identity provider must implement to federate with Azure AD to enable sign-on to one or more Microsoft cloud services (such as Microsoft 365). For example, the Lync 2010 desktop client is not able to sign in to the service with your SAML 2.0 Identity Provider configured for single sign-on. Windows 8 Mail Client and Windows 8.1 Mail ClientĪll other clients are not available in this sign-on scenario with your SAML 2.0 Identity Provider.Windows Phone 7, Windows Phone 7.8, and Windows Phone 8.0.Microsoft Outlook 2010/Outlook 2013/Outlook 2016, Apple iPhone (various iOS versions).(the Enhanced Client Protocol end point is required to be deployed), including: Email-rich clients that use basic authentication and a supported Exchange access method such as IMAP, POP, Active Sync, MAPI, etc.Web-based clients such as Outlook Web Access and SharePoint Online.Only a limited set of clients are available in this sign-on scenario with SAML 2.0 identity providers, this includes:

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