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Locked Out After Converting Only Azure AD Admin User (Myself) to Internal Member

Markus Bettig 20 Reputation points
2026-02-16T10:06:53.23+00:00

Hello everyone,

like this user before me, I locked myself out of my Azure account by converting it to an internal member by accident: https://learn.microsoft.com/en-us/answers/questions/5535416/locked-out-after-converting-only-azure-ad-admin-us

I don't have a backup global admin user so I have no way to restore access.

The subscription I'm trying to access is PII, now I'm stuck onPII

Any help would be greatly appreciated. Thank you!

Microsoft Security | Microsoft Entra | Microsoft Entra ID
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  1. Rukmini 30,615 Reputation points Microsoft External Staff Moderator
    2026-02-16T10:23:28.0866667+00:00

    Hello Markus Bettig

    You were unable to log in to the Azure Portal due to changes made to your user account’s internal/external status in Azure. You originally signed up for the Azure tenant using your personal Microsoft account email address (******@domain.com), which created an account in the format user123_domain#EXT#@user123domain.onmicrosoft.com. However, when you changed the account to an internal user, it was converted to @user123domain.onmicrosoft.com. As a result, whenever you tried to sign in using your original Personal Microsoft account email address (@domain.com), you received the AADSTS16000 error because no tenant could be found for that account.

    I have shared the user details over the private message and try to login with that account and You will be able to log in again using your updated internal account email address by signing in with your password and setting up Azure MFA.

    If the resolution was helpful, kindly take a moment to click on 210246-screenshot-2021-12-10-121802.pngand click on Yes for was this answer helpful. And, if you have any further query do let us know.

    1 person found this answer helpful.
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