Server refuses modern authentication when the tenant is not enabled.įorces modern authentication on 2013, 2016, or 2019. If the server refuses a modern authentication connection, then basic authentication is used. Modern authentication is attempted first. Office client app versionĪuthentication behavior with modern authentication turned on for the tenant (default)Īuthentication behavior with modern authentication turned off for the tenantįorces modern authentication on Outlook 2013, 2016, or 2019.įorces modern authentication within the Outlook client. The following table describes the authentication behavior for Office 2013, Office 2016, and Office 2019 client apps when they connect to Exchange Online with or without modern authentication. However, explicit action is needed to use legacy authentication.Ĭlick the links below to see how Office 2013, Office 2016, and Office 2019 client authentication works with the Microsoft 365 services depending on whether or not modern authentication is turned on. Office 2016 and Office 2019 clients support modern authentication by default, and no action is needed for the client to use these new flows.
HOW TO USE MICROSOFT OFFICE 2013 HOW TO
Read How to use Modern Authentication (ADAL) with Skype for Business to learn about how it works with Skype for Business. HKCU\SOFTWARE\Microsoft\Office\15.0\Common\Identity\Version The keys have to be set on each device that you want to enable for modern authentication: Registry key
HOW TO USE MICROSOFT OFFICE 2013 WINDOWS
To enable modern authentication for any devices running Windows (for example on laptops and tablets), that have Microsoft Office 2013 installed, you need to set the following registry keys. For instructions, see Enable Modern Authentication for Office 2013 on Windows devices. In order for these clients to use modern authentication features, the Windows client must have registry keys set. Legacy means that they support either Microsoft Online Sign-in Assistant or basic authentication. Office 2013 client apps support legacy authentication by default. For tenants created before August 1, 2017, modern authentication is turned off by default for Exchange Online and Skype for Business Online.
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