Mastering Active Directory

Add a custom domain to Azure AD

When we set up Azure AD, we initially defined a domain name ending in @onmicrosoft.com, but this is not the domain we have configured in the domain controllers. We can add our own domain name to Azure AD and assign usernames in a familiar format.

In order to add a custom domain, follow these steps:

1. Click on the relevant Azure AD instance.
2. Navigate to the DOMAINS link and click on ADD A CUSTOM DOMAIN:

3. In the next window, type the domain name and click on the add button. If you wish to enable SSO with a local AD FS farm, select the option I plan to configure this domain for single sign-on with my local Active ...