How can I create the aad-extensions-app?

Anonymous
2021-09-15T15:42:34.523+00:00

When creating a user flow for B2B correlation, I got the message.
"aad-extensions-app. Do not modify. Used by AAD for storing user data."

I tried troubleshooting, but the application was not found.
https://learn.microsoft.com/en-us/azure/active-directory/external-identities/troubleshoot#i-receive-the-error-that-azure-ad-cannot-find-the-aad-extensions-app-in-my-tenant

How can I create the aad-extensions-app?

Microsoft Entra External ID
Microsoft Entra External ID
A modern identity solution for securing access to customer, citizen and partner-facing apps and services. It is the converged platform of Azure AD External Identities B2B and B2C. Replaces Azure Active Directory External Identities.
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  1. Anonymous
    2021-09-16T08:25:06.917+00:00

    I was able to find "aad-extensions-app". For that, I needed to use AzurePortal preview. As a result, "aad-extensions-app" was not deleted. It was just not displayed. The issue was that I was getting the message "aad-extensions-app. Do not modify. Used by AAD for storing user data." ======================= ![132672-01.png][1] ======================= ![132627-02.png][2] ======================= ![132665-03.png][3] [1]: /api/attachments/132672-01.png?platform=QnA [2]: /api/attachments/132627-02.png?platform=QnA [3]: /api/attachments/132665-03.png?platform=QnA

    1 person found this answer helpful.

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  1. Siva-kumar-selvaraj 15,601 Reputation points
    2021-09-15T21:45:33.32+00:00

    Hello anonymous user,

    Thanks for reaching out.

    This application "aad-extensions-app" would be created automatically when you enable self-service sign-up features as shown below and If you accidentally deleted the aad-extensions-app, you have 30 days to recover it. You can restore the app using either the Azure AD PowerShell module or Deleted Application (Preview) blade.

    Could you please confirm, since when you noticed this change? was this worked before or its new setup completely?

    because, If "aad-extensions-app" deleted for more than 30 days, then unfortunately app registrations cannot be restored and we recommend to create new Azure AD Tenant.

    Setup Self-Service
    132503-image.png

    Restore App
    132502-image.png

    Hope this helps.

    ------
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  2. 寺岡 卓也 1 Reputation point
    2021-09-16T00:23:37.453+00:00

    Hi @sikumars-msft

    Thank you for the information.
    I also checked the Azure Portal, but "aad-extensions-app" was not found.

    Is it possible that "aad-extensions-app" will not be created even if self-service sign-up is enabled?

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  3. Anonymous
    2021-09-17T00:10:04.937+00:00

    I got error message from "user flows" option from "External Identities blade". However, it turns out that "aad-extensions-app" actually exists, so There is a issue with the message display. ![132904-04.png][1] [1]: /api/attachments/132904-04.png?platform=QnA

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