Hello @345345,
Welcome to the Auth0 Community!
A tenant administrator has full access to a specific Auth0 tenant’s settings and resources, while a team owner has broader permissions over an entire Auth0 account, including the ability to manage all tenants within the account, control tenant creation, or manage subscriptions.
Invitation acceptance is a mandatory step. A new Tenant Member must click the email link, log in/sign up, and explicitly accept the invitation to link their user account to the tenant with the Administrator role. If the original Owner was removed before this full process was completed, the new user’s access was not fully provisioned, causing the lockout.
We can help in this cases, no worries about it. Please send us a DM to the @support group, including a short explanation of the issue, the email account that you wish to be tied to the that particular tenant ( a former admin account ), and the tenant name and we will fulfill a request on your behalf.
Of course there is! With proper ownership verification you can restore the admin access of your tenant. Details are included in this article - Recover Admin Access to a Tenant.
Thank you!
Best regards,
Remus