Many prompts for Approval from Microsoft Authenticator app with MFA

thas 101 Reputation points
2021-07-01T14:18:45.817+00:00

Hi All,
We use Azure MFA for users to remote in to their desktops through Remote Desktop Gateway. I have one user that gets prompted multiple times by the Microsoft Authenticator app - after she has disconnected. I can see in the Activity Report that on June 12 she logged in through the Remote Desktop Gateway at about 10:00am and was prompted once. She then disconnected at about 12:45pm that same day and was then prompted 22 times in about a 30 minute period to approve the login.

This was not the only time this has heppend to her, it is just one example. I have not heard about anyone else having this issue.

Can anyone tell me why this happens to her? Any way to fix this issue?

Thanks!

Remote Desktop
Remote Desktop
A Microsoft app that connects remotely to computers and to virtual apps and desktops.
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Microsoft Entra ID
Microsoft Entra ID
A Microsoft Entra identity service that provides identity management and access control capabilities. Replaces Azure Active Directory.
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  1. thas 101 Reputation points
    2021-07-14T15:41:00.773+00:00

    We now have a resolution on this. It turned out that when she was done working, she would just close the lid on her laptop without disconnecting the session first. I told her to try disconnecting first using the "X" the next time she connected. She did so last night and was not prompted again after disconnecting. I verified that the logs did not show the repeated attempts to reconnect.

    Thank you for your suggestions!

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  1. Andy YOU 3,071 Reputation points
    2021-07-02T09:35:11.373+00:00

    HI thaslett-2964,

    1.What's authentication methods do you use?

    If we change the authentication method to notification in mobile phone, will the same issue happen?

    Authentication methods in Azure Active Directory - Microsoft Authenticator app
    https://learn.microsoft.com/en-us/azure/active-directory/authentication/concept-authentication-authenticator-app

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  2. thas 101 Reputation points
    2021-07-12T15:15:06.23+00:00
    1. As I've mentioned a few times now - it only happens when she disconnects from a Remote Desktop Gateway session. Otherwise, it NEVER happens.
    2. No other users have reported this same issue.
    3. I've found no difference is any settings.
    4. I've found no difference is phone settings.
    5. I just talked to her this morning about reinstalling the app and redoing the initial MFA setup as it happened to her again this weekend when she disconnected from a RDG session. I will report back once we have done that.
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