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Troubleshoot issues after changing your domain name in Azure AD

Published: June 8, 2012

Updated: June 5, 2015

Applies To: Azure, Windows Intune

This topic provides online help content for cloud services, such as Windows Intune and Office 365, which rely on Microsoft Azure Active Directory for identity and directory services.

If you’ve tried to add your domain to your Microsoft Azure AD tenant and are running into problems, read on to see if we’ve addressed your problem.

About adding your own domain: When you sign up for a Microsoft cloud service, you are issued a domain name that has the following format: contoso.onmicrosoft.com. You can continue to use that initial domain name, or you can add your own custom domain name to the cloud service. For more information, see Add your custom domain to Azure AD.

Because of the way updates move through the domain name system (DNS), it can take up to 72 hours before the changes you make at a domain registrar or hosting provider fully propagate through the Internet and you can begin using your domain name with your services.

In addition, the edits that you make at the domain registrar must be exactly correct. If you go back to correct an error, it may take several days for the updated setting to appear on the cloud service portal site.

How long will it take? It depends in part on the time to live (TTL) setting you’ve specified for the DNS record that you are replacing or updating. Until the TTL expires, Internet servers that have cached the previous data won’t query the authoritative name server to request the new value.

After you have finished adding or updating DNS records for your domain, it can take up to 72 hours for the changes to take effect.

In addition, the settings information must be exactly correct on the domain registrar site. Double-check your settings, and make sure that you’ve allowed enough time for the changed DNS records to propagate through the system.

One way to track down issues is to use the domains troubleshooting wizard. To start the wizard, do the following: In the cloud service portal, on the Admin page, click Domains, and then double-click the domain name that you want to verify. Then, under Troubleshooting, click Troubleshoot domain.

The troubleshooting wizard asks you for information about where you are in the verification process, and then provides you with information to help you complete the verification.

If you add your custom domain name to the cloud service after you have already added user accounts, you may have to make updates to use the new domain name. For example, you will need to change your users’ accounts to set their email addresses to use your custom domain. For more information about updating your users’ email accounts, see Create or edit users in Azure AD.

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