Unable to add a new domain

Problem

A super admin is unable to add a new domain, any attempt to add it receives error message: 
This domain name has already been used as an alias or domain.

Environment

  • Requires having the Domain settings administrator privilege or a super admin role.

Solution

  1. Use the Google Workspace / Cloud Identity: Sign up Issues.
  2. Fill the form and a representative should get back to you within 48 hours.

Cause

The previous owner of the domain might have signed up for a Google service.