The risk and consequence for the users when migrating Legacy Multi-factor authentication to the new Entra ID Authentication methods

Question

I need some assistance before migrating from this old legacy portal: https://account.activedirectory.windowsazure.com/UserManagement/MfaSettings.aspx to this new location: https://portal.azure.com/#view/Microsoft_AAD_IAM/AuthenticationMethodsMenuBlade/~/AdminAuthMethods

What are the risk and consequence for the users when migrating Legacy Multi-factor authentication to the new Entra ID Authentication methods for the above selection?

Answer 1

Hello @EnterpriseArchitect,

Thank you for posting your query on Microsoft Q&A.

Based on the discussion above, it seems you are aiming to migrate from legacy policies to modern authentication policies with a focus on minimizing user impact during the migration process.

To proceed with the migration, please follow the step-by-step instructions in the document provided:

https://learn.microsoft.com/en-us/entra/identity/authentication/how-to-authentication-methods-manage#before-you-begin

1. Firstly, review the legacy policies in "Per-User MFA" under Service Settings. Ensure that verification options are enabled but refrain from making any changes at this stage.
2. Next, review the legacy SSPR (Self-Service Password Reset) policy and check the enabled authentication methods.
3. Now, enable the modern authentication methods policy for your users, aligning it with your existing legacy policies.
4. After enabling authentication methods under the modern policy, proceed with the migration steps by disabling verification options in the legacy settings and updating authentication methods in the SSPR policy.
5. You can change it to Migration in progress to Migration Complete.

During this process, there should be no impact on users' login sessions. All users should be able to authenticate without any issues if we make changes as per the above steps.

I hope this information is helpful. Please feel free to reach out if you have any further questions.

Please Accept the answer if the information helped you. This will help us and others in the community as well.

Thanks,
Raja Pothuraju.

Answer 2

Hello EnterpriseArchitect,

Thank you for posting your query in the Microsoft Q&A Community.

I would advise you to perform this migration during off-peak hours as users may experience disruptions. You need to send a clear communication before going ahead with this. Another risk will be regarding the proper configuration. Misconfiguring the authentication methods could lead to lockouts or security vulnerabilities. It’s essential to configure the desired authentication methods accurately and thoroughly

To mitigate these risks, follow the steps below

• Document user settings, including phone numbers during the review process of your current MFA settings in the legacy portal
• Enable the new Authentication Methods in the AAD portal.
• Configure the desired authentication methods

Follow the link below for more information about this.

https://learn.microsoft.com/en-us/entra/identity/authentication/how-to-authentication-methods-manage#before-you-begin

Let me know if further assistance is needed.

Babafemi