Hello,
I recently became the legitimate and independent registrant of a domain that had previously been owned or used by an unrelated organization. I have no affiliation whatsoever with the previous domain holder or that organization.
I have now received a Microsoft Power Platform notification at an email address under my domain concerning a Default environment belonging to the previous organization. The notification includes a Tenant ID and Environment ID, and the environment name corresponds to that organization.
I do not own, administer, or have access to this tenant or Power Platform environment, and I am not seeking access to or control over it.
My main concern is that there may still be a historical association between my domain or its email addresses and the previous organization's Microsoft tenant or related services. I would like Microsoft to investigate this and, where necessary, properly separate my domain and its email addresses from any unrelated historical Microsoft accounts, tenants, directories, or services.
Most importantly, I want to ensure that this historical association will not adversely affect my ability in the future to use my domain and its business email addresses to create, verify, and use my own Microsoft 365, Microsoft Entra, Power Platform, or other Microsoft business services.
At present, I do not have a Microsoft business account, Microsoft 365 tenant, or Power Platform tenant of my own. As a result, I appear to be unable to use some of the normal business support channels that require an existing tenant or administrator account.
Could someone please advise me on the appropriate way to get this matter reviewed by Microsoft Support? If a Microsoft employee or official support representative can assist or direct me to the appropriate private support channel, I would greatly appreciate it.
For privacy and security reasons, I have intentionally not posted the actual domain name, email address, Tenant ID, or Environment ID publicly. I am happy to provide all of the relevant details privately to an authorized Microsoft support representative if required.
Thank you for any guidance.

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