Configure initial domain

Question

Configure initial domain

Arthur Avanesyan 11

I want to understand what will happen, if I press "Configure initial domain" under newly added tenant name. Couldn't find anything in Microsoft documents.

3 answers

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Answer 1

Andreas Baumgarten 123.4K MVP Volunteer Moderator

Hi @Arthur Avanesyan ,

maybe this helps:

Every new Azure AD tenant comes with an initial domain name, <domainname>.onmicrosoft.com. You can't change or delete the initial domain name, but you can add your organization's names. Adding custom domain names helps you to create user names that are familiar to your users, such as alain@Company portal .com.

Source: https://learn.microsoft.com/en-us/azure/active-directory/fundamentals/add-custom-domain

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Regards
Andreas Baumgarten

Arthur Avanesyan 11 Reputation points

2021-12-26T11:14:44.727+00:00

Hi @Andreas Baumgarten ,

This document is about adding your custom domain name.

But I want to understand the following case:
You have created a new tenant company.onmicrosoft.com. After some time, your company name has been changed and you have added newcompany.onmicrosoft.com under custom domain names. Then under that new domain name there is a hyperlink "Configure initial domain". I couldn't find any document about this.
JasonGoldhirsch 1 Reputation point

2022-03-20T15:40:38.69+00:00

Hello, I am curious about this as well. What will happen if you made this an initial domain name ?

Answer 2

JamesTran-MSFT 36,906 Microsoft Employee Moderator

@Arthur Avanesyan
Thank you for your post!

Based off your screenshot, it looks like Configuring Initial Domain is referring to setting your newcompany.onmicrosoft.com domain as the initial default domain for your tenant, (making it the default domain over company.onmicrosoft.com). Configuring this will rename your tenant.

I wasn't able to see this within any of my tenants, but I believe you're seeing this in yours because your initial tenant is company.onmicrosoft.com, which is an Unverified domain. And since subdomains are automatically verified by Azure AD, you're seeing the option to make your newcompany.onmicrosoft.com (Verified) subdomain, the primary domain of your tenant, because your primary domain (company.onmicrosoft.com) isn't a verified domain.

Additional Link:
Managing custom domain names in your Azure Active Directory

I hope this helps!

If you have any other questions, please let me know.
Thank you for your time and patience throughout this issue.

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JamesTran-MSFT 36,906 Reputation points Microsoft Employee Moderator

2021-12-28T16:24:26.42+00:00

@Arthur Avanesyan
I just wanted to check in and see if you had any other questions or if you were able to resolve this issue?
Jeremy Pot 26 Reputation points

2022-11-26T11:56:43.817+00:00

There is 0 documentation about this "Configure initial domain", do you have more information about this? There's only the info below when you click on the link.

"The tenant rename operation to change the initial domain name from 'old.onmicrosoft.com' to 'new.onmicrosoft.com' is non-reversible and may impact users, groups, or applications. By continuing, you accept the terms and conditions associated with this operation."

Every doc I could find still states that you can only rename the SharePoint domain name, not the onmicrosoft.

Answer 3

JasonGoldhirsch 1

Hi all, I spoke to Microsoft Support and they mentioned that it is impossible to rename your domain. They recommended to start from scratch.

Jason.

Fabian Solis Acuña 1 Reputation point

2022-05-24T19:38:48.177+00:00

Now it's possible: https://learn.microsoft.com/en-us/sharepoint/change-your-sharepoint-domain-name
There are issues to consider but it can be done.
Gary Clark 0 Reputation points

2023-01-19T01:16:46.2933333+00:00

Delete me.

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