setup microsoft authenticator for office 365 mfa

#SETUP MICROSOFT AUTHENTICATOR FOR OFFICE 365 MFA PASSWORD#
#SETUP MICROSOFT AUTHENTICATOR FOR OFFICE 365 MFA FREE#

You enable Remain signed-in, which uses a persistent browser cookie, and.

In Microsoft Entra ID, the most restrictive policy for session lifetime determines when the user needs to reauthenticate. In this scenario, MFA prompts multiple times as each application requests an OAuth Refresh Token to be validated with MFA. Multiple prompts result when each application has its own OAuth Refresh Token that isn't shared with other client apps.

#SETUP MICROSOFT AUTHENTICATOR FOR OFFICE 365 MFA PASSWORD#

With this default Office configuration, if the user has reset their password or there has been inactivity of over 90 days, the user is required to reauthenticate with all required factors (first and second factor).Ī user might see multiple MFA prompts on a device that doesn't have an identity in Microsoft Entra ID. In Office clients, the default time period is a rolling window of 90 days. Every time a user closes and opens the browser, they get a prompt for reauthentication. Without any session lifetime settings, there are no persistent cookies in the browser session. Understand the needs of your business and users, and configure settings that provide the best balance for your environment. To optimize the frequency of authentication prompts for your users, you can configure Microsoft Entra session lifetime options. Microsoft Entra session lifetime configuration settings Regular reauthentication prompts are bad for user productivity and can make them more vulnerable to attacks. Some combinations of these settings, such as Remember MFA and Remain signed-in, can result in prompts for your users to authenticate too often. Our research shows that these settings are right for most tenants. This app is used as a broker to other Microsoft Entra ID federated apps, and reduces authentication prompts on the device. For mobile devices scenarios, make sure your users use the Microsoft Authenticator app.Keep the Remain signed-in option enabled and guide your users to accept it.

#SETUP MICROSOFT AUTHENTICATOR FOR OFFICE 365 MFA FREE#

If you have Microsoft 365 apps licenses or the free Microsoft Entra tier:.Limit the duration to an appropriate time based on the sign-in risk, where a user with less risk has a longer session duration. For users that sign in from non-managed devices or mobile device scenarios, persistent browser sessions may not be preferable, or you might use Conditional Access to enable persistent browser sessions with sign-in frequency policies.If reauthentication is required, use a Conditional Access sign-in frequency policy.Enable single sign-on (SSO) across applications using managed devices or Seamless SSO.If you have Microsoft Entra ID P1 or P2:.To give your users the right balance of security and ease of use by asking them to sign in at the right frequency, we recommend the following configurations: This article details recommended configurations and how different settings work and interact with each other. You can also explicitly revoke users' sessions by using Microsoft Graph PowerShell. Some examples include a password change, an incompliant device, or an account disable operation. It might sound alarming to not ask for a user to sign back in, though any violation of IT policies revokes the session. If users are trained to enter their credentials without thinking, they can unintentionally supply them to a malicious credential prompt. Asking users for credentials often seems like a sensible thing to do, but it can backfire.

The Microsoft Entra ID default configuration for user sign-in frequency is a rolling window of 90 days. You can configure these reauthentication settings as needed for your own environment and the user experience you want. This reauthentication could be with a first factor such as password, FIDO, or passwordless Microsoft Authenticator, or to perform multifactor authentication. Microsoft Entra ID has multiple settings that determine how often users need to reauthenticate.

Setup microsoft authenticator for office 365 mfa