How AAD directory (tenant) is created

sprintingsoftware 1 Reputation point

How does AAD directory get created?
Two years ago, when I tried to login to, I was logged in to one directory.
Now, when I try to login with the same email to, I am logged in to another directory, named
Nobody from my company knows how directory was created, and all the users are now logged in to that directory.
Is there a possibility to see who created that directory?

Azure Active Directory
Azure Active Directory
An Azure enterprise identity service that provides single sign-on and multi-factor authentication.
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  1. JimmySalian-2011 31,901 Reputation points


    As the timeframe is like 2 years period I am not sure if the logs are retained for that long period unless you have archived the logs, but seems like you never logged in in this period and I will suggest you to raise a support case with Microsoft for this query.

    Hope this helps.

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

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  2. David Broggy 4,691 Reputation points MVP

    If you open the Azure AD > Custom Domains blade, you may find some clues as to who created the domain based on the users listed here.
    Also consider the roles of current/past users since you need a fairly high level privilege in order to add a domain.


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  3. Yannic Graber 501 Reputation points MVP

    Hello @sprintingsoftware

    The situation seems not to be 100% clear, so therefore please go ahead and check several things to clarify and find a solution :-)
    But first of all, no, you won't see in a log or something, who created it (too long ago).

    1. When you log in to, click on your name in the top right corner, choose "switch directory" and check, if your account is eligible to sign in to other tenants. This might look like this. 258705-image.png
      -- if yes, check if your desired tenant is on the list.
    2. Navigate to your Azure Active Directory and check the custom domains.
      -- are there any other domains on the list, which you know and are the correct ones of your company? If so, then only an additional domain got added to the SAME tenant. In this case, you can switch the preferred one back to "primary domain" and you might even want to delete the other one. As @David Broggy already shows in the printscreen, you can see which users & resources are associated with that domain.
    3. If you only have one resource associated to a specific domain, chances are, that this user added the domain / created the tenant. If multiple resources are associated, have a look for an admin user.
    4. In the Azure Active Directory go back to "Overview" and select properties. Maybe there is a "Technical contact" filled, which might be a clue to who created the tenant or can help you further. 258706-image.png
    5. Create a ticket at Microsoft, they might be able to help you on this.

    Unfortunately, there is no way to see, who initially created the tenant, as already stated.
    I hope this does help you to investigate a bit further. If so, please "accept answer" and upvote as a token of appreciation.

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