Add custom domain names in your Azure Active Directory

Many times we have the requirement to use an existing domain with our Azure Active Directory. Following step by step guide will help you to configure your Azure Active Directory service for use with a custom domain name registered with an external domain registrar.

Step 1: Login to Azure Portal

Step 2: Select Azure Active Directory service for your Azure Account

Step 3: Select Custom domain names

Step 4: Click Add custom domain

Step5: Enter your domain name

Step 6: Click Add domain

Step 7: Now, in order to use the domain with your Azure AD, create a new TXT record with your domain name registrar using the information in your Azure screen:

For this example my custom domain name registrar is Google Domains.

Adding txt record in my Google Domains DNS > Custom resource records