From the course: Microsoft Entra ID: Basics
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Adding a custom domain
- [Instructor] In the last video, we learned that whenever we sign up for an Azure subscription, it automatically provisions a default directory with a temporary domain in the format, emailstring.onmicrosoft.com. In this clip, let's see why a temporary domain is not good enough, and why we need to add a custom domain to our Azure AD tenant. So let's get this straight, can temporary domains be used for production environments? Well theoretically, yes, but practically, there will be many issues. All your usernames, email addresses, subdomains, and resource links will have an emailstring.onmicrosoft.com appended to it. Everywhere, as you can see on the screen, it makes the URL unnecessarily longer, unprofessional, and doesn't allow you to use your own brand name anywhere in the domain name. That's why in spite of the fact that a temporary domain is publicly routable, it's not suitable for production environments. Now, let's see how things change when we get a publicly routable custom…
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