Authentication migration

Corwin, Don 40 Reputation points
2025-06-19T12:48:40.3866667+00:00

I Need to migrate to the converged Authentication methods. I need to know if I do an automatic migration that the users won’t be prompted for anymore authentication. I don’t want to interrupt the 170 or so users when they login and launch Outlook after I do the migration. Are my users going to be affected by this migration? I have an Exchange hybrid configuration with one server on premises (Exchange 2016 v.15.1 build 2507.6). All mailboxes are migrated over to the cloud. Our AD is replicated to Azure AD with Entra. All users access their mailboxes with Outlook 2016, after longing into the domain, with no passwords (Single Sign On). We currently don’t use any other authentication, such as MFA, nor do we plan to, yet. Thanks

Outlook Windows Classic Outlook for Windows For business
0 comments No comments
{count} votes

Accepted answer
  1. Jayden-P 2,460 Reputation points Microsoft External Staff Moderator
    2025-06-19T13:47:10.1333333+00:00

    Hi @Corwin, Don

    Thank you for posting your question in the Microsoft Q&A forum. 

    Based on the information you have provided, looks like you want to know if users will be affected during the migration. 

    From Microsoft documents, the impact on users should be minimal. 

    This is because during the migration, there's a gradual transition from Legacy policy to Authentication methods policy.  

    User's image

    After migration, users should still be able to use Single Sign-On (SSO) as long as the necessary authentication methods for SSO are enabled within the new policy. 

    User's image

    You can read more at Manage authentication methods - Microsoft Entra ID | Microsoft Learn 

    I hope this information helps.


    If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".   

    Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread. 

    User's image

    1 person found this answer helpful.

0 additional answers

Sort by: Most helpful

Your answer

Answers can be marked as Accepted Answers by the question author, which helps users to know the answer solved the author's problem.