Forum Discussion

Copper Contributor

Feb 25, 2018

Solved

Force custom domain validation

I need to register a custom domain but there is an error that says the domain has been previously configured on an existing Azure AD or Office 365. I no longer have access neither I can reset the te...

Azure Active Directory (AAD)

VasilMichev
Feb 25, 2018
Contact support, you will have to pass some verifications, but they will be able to help you in this scenario. In addition, check for the so-called "viral signup" issue, where regular users might have "registered" this domain with some O365 service. If this is the case, you as the admin can perform "domain takeover": https://docs.microsoft.com/en-us/azure/active-directory/domains-admin-takeover

VasilMichev

MVP

Feb 25, 2018

Contact support, you will have to pass some verifications, but they will be able to help you in this scenario. In addition, check for the so-called "viral signup" issue, where regular users might have "registered" this domain with some O365 service. If this is the case, you as the admin can perform "domain takeover": https://docs.microsoft.com/en-us/azure/active-directory/domains-admin-takeover