diff --git a/docs/identity/authentication/concept-registration-mfa-sspr-combined.md b/docs/identity/authentication/concept-registration-mfa-sspr-combined.md index 4cecdb030ac..e2fe783a366 100644 --- a/docs/identity/authentication/concept-registration-mfa-sspr-combined.md +++ b/docs/identity/authentication/concept-registration-mfa-sspr-combined.md @@ -114,9 +114,18 @@ Users can go to [Security info](https://aka.ms/mysecurityinfo), or they can sele ### Session controls for Combined Registration -By default Combined registration enforces all MFA capable users to strongly authenticate prior to registering or managing their security info. If a user is currently signed in, and previously completed MFA as part of a valid session, no additional MFA is required by default, unless a user is attempting to add or modify a passkey (FIDO2) method. Adding or modifying a passkey (FIDO2) method requires users to have strongly authenticated within the past 5 minutes. If MFA hasn't been completed in the past 5 minutes, the user is asked to sign-in and complete fresh MFA. Organizations can modify the authentication requirements by defining [Conditional Access policies for securing security info registration.](~/identity/conditional-access/policy-all-users-security-info-registration.md). +By default, Combined registration enforces all MFA-capable users to strongly authenticate prior to registering or managing their security info. + +- Adding or modifying a passkey (FIDO2) method requires users to have strongly authenticated within the past 5 minutes. If MFA hasn't been completed in the past 5 minutes, the user is asked to sign in and complete fresh MFA. +- Starting August 25, 2025, as announced in MC1135479, users are required to complete multifactor authentication (MFA) when managing credentials or accessing My Sign-ins if they haven't done so within the last 10 minutes of their current session. +Enforcing authentication strengths for security info registration can conflict with both of these requirements. Users might experience the error message *"Let’s try something else. Another sign-in method is required to access this resource. Close your browser and try again, but choose another way to sign-in"*. + +You can make changes at either the tenant level or the user level: + +- At the tenant level, enforce **Sign-in frequency: Every time** for the **Register security info** user action, or enable passkeys for Windows Hello for Business users. +- At the user level, ensure that users authenticate with a session that's no more than 10 minutes old, or ensure that they authenticate with a combination of methods included in the enforced authentication strength. +Organizations can modify the authentication requirements by defining [Conditional Access policies for securing security info registration](~/identity/conditional-access/policy-all-users-security-info-registration.md). -Combined registration sessions are only valid for 15 minutes. If a user's registration or management actions take longer than this time period, the session expires and the user is asked to sign back in to continue. ## Key usage scenarios