1. From the Admin console dashboard, go to Domains.
  2. To see Domains, you might have to click More controls at the bottom.
  3. Click Add/remove domains > Add a domain or a domain alias.
  4. Choose how to add the domain:
    • Add a domain alias of primary-domain-name: This gives everyone in your primary domain an email address at the alias domain. 
    • Add another domain: This adds a separate, secondary domain that can have its own users and groups.
  5. Enter the name of the domain you want to add.
    You must own the domain name, and it can't be registered with any other Google account.
  6. Click Continue and verify domain ownership.
    If the domain name is already registered with another Google account, an error message appears. To add the domain to this account you must remove it from the other account.
  7. Click Verify and continue to setup email delivery.
  8. Update the domain's MX records to route mail to Google's mail servers.




  9. Do this only if you want users to receive mail for this domain in their Gmail inboxes.

  10. Click I have completed these steps.

    When your ownership is verified, the status becomes "Active." 

    It might take from 48 to 72 hours for your domain to be verified and email set up, depending on propagation

    The total transition time depends on the number of users and the load of the system. For domains with a large number of users, it can take more than 24 hours after verification for all users to receive their alias email addresses.

    By default, Google uses the name & logo of your primary domain as the organization name in your Admin console and on users' services pages. When you add other domains, you might want to change your organization name & logo to a more inclusive one.

    If you manage a large organization: Your users might have a personal Google Account that already uses the domain. When you add the domain alias, those users' accounts are automatically renamed. All data in the accounts remains outside of your organization’s management. To find users with Google Accounts, first add the domain as a secondary domain. The list of accounts is generated within 24 hours. Learn more about conflicting accounts.
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