Note: registry changes might result in problems and serious issues with computers and software. Enforcing Modern Authentication made Outlook 2016 accept the regular office 365 password (that worked OWA password). Outlook 2016 supports modern authentication and it is ON by default but we’ve had to enforce it in some instances because Outlook kept prompting for a password and wouldn’t take the password that worked with OWA but Outlook worked with App Password. HKEY_CURRENT_USER\Software\Microsoft\Exchange\AlwaysUseMSOAuthForAutoDiscover MaaS360 supports modern authentication to allow administrators to enable MSAL-based single sign-on (SSO) access for Office 365 client. HKCU\SOFTWARE\Microsoft\Office\15.0\Common\Identity\Version HKCU\SOFTWARE\Microsoft\Office\15.0\Common\Identity\EnableADAL Outlook 2013 supports Modern Authentication but you need to add the following two registry keys. This enables sign-in features such as Multi-Factor Authentication (MFA), SAML-based third-party Identity Providers with Office client applications, smart card and certificate-based authentication, and it removes the need for Outlook to use the basic authentication protocol.This enables multi-factor authentication, conditional access policies and other security features. Outlook 2010 doesn’t support Modern Authentication Modern Authentication means OAuth 2.0, where applications request access tokens from Azure Active Directory rather than using username and password to connect.Login as admin, expand Settings, click Org Settings, Select Modern Authentication and turn it on. The user credentials are protected by TLS. The app puts up a credential dialog and then sends the user’s credentials to the O365 service where the actual authentication against Azure AD takes place. Make sure Modern Authentication is turned on on the Office 365 Portal. Older versions of the Office thick clients use basic authentication with Office 365. In Office 365 two factor authentication (2FA), App Password is used for older versions of Microsoft Outlook or for non Microsoft email clients on devices like MACs or smart phones.Īfter enforcing 2FA in Office 365 and if you are trying to configure Outlook 2016 for email, and Outlook keeps rejecting the password that you have been using and that works with OWA, while if you try the App Password it works in Outlook, then you might want to add a registry key to enable and enforce Modern Authentication.
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