KarenH.16388 (The Aspen Institute) asked a question.
I'm trying to add NEW subdomain to our O365 instance but cannot through the O365 admin console or by using the following directions: https://docs.microsoft.com/en-us/troubleshoot/azure/active-directory/new-msoldomain-cmdle-add-subdomain since it is Okta-federated. How has someone been able to add a NEW subdomain to their federated domain?
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We use cookies to provide the best website experience and to help understand marketing efforts. We may also share data with ad partners to reach potential customers across the web. To learn more, visit our Privacy Policy. Click here for Your Privacy Choices. You may also opt out of this sharing by signaling your preference via GPC, applicable only to the browser signaling the opt-out.
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I actually would like to add the NEW subdomain as an non-federated domain but not sure if that is feasible. Working on some other ideas as well.
Did you try registering the sub domain in the O365 portal? All child domains will automatically inherit the domain federation settings of its parent. My biggest complaint about this is that the child domain can not have a different configuration from its parent. So you can't make the child domain non-federated nor can you point it at a different IDP.
Karen - the only way to have a child domain with different settings from it's parent domain is if it were added before the parent. Otherwise, there is no practical way to do it unless you are willing to delete the parent domain from O365 and add it back later.
I've thought about adding it as a federated subdomain under the parent domain but unable to add via O365/Azure AD GUI interface or with Powershell. Not sure how to do that when the federation is tied to Okta not to ADFS. Haven't found any Powershell script that would allow me to add. Any ideas?
Actually just found this article https://support.okta.com/help/s/article/How-can-we-change-our-Office365-federation-from-a-parent-to-a-sub-domain. Haven't tried it but looks like it would add the subdomain.