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Yeah, they removed that. It should be settable via PowerShell and the Set-AzureADDomain, however I've seen some reports that it doesnt work. Best contact support to get a proper answer.
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Yeah, they removed that. It should be settable via PowerShell and the Set-AzureADDomain, however I've seen some reports that it doesnt work. Best contact support to get a proper answer.

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i got the answer to my question from MS support. Updated my post so that other can see the solution
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i got the answer to my question from MS support. Updated my post so that other can see the solution

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Hi<br />
<br />
I want to add another domain to office 365, but only for Skype for Business. <br />
In the old admin center i could choose the domain purpose, in the new admin center theres no such option.<br />
I can see in exchange online that the domain is listed as authoritative. How can i change that? It causes trouble because the domain that use exchange and skype gets an error when emailing the domain thats only supposed to use Skype, because the domain is listed as authoritative in exchange<br />
<br />
Thanks<br />
Carlos
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Hi

I want to add another domain to office 365, but only for Skype for Business. 
In the old admin center i could choose the domain purpose, in the new admin center theres no such option.
I can see in exchange online that the domain is listed as authoritative. How can i change that? It causes trouble because the domain that use exchange and skype gets an error when emailing the domain thats only supposed to use Skype, because the domain is listed as authoritative in exchange

Thanks
Carlos

Domain purpose Office 365

Office 365 is a group of software plus services subscriptions that provides productivity software and related services to its subscribers. Office 365 allows the use of Microsoft Office apps on Windows and OS X, provides storage space on Microsoft's cloud storage service OneDrive, and grants 60 Skype minutes per month. Office 365 includes e-mail and social networking services through hosted versions of Exchange Server, Skype for Business Server, SharePoint and Office Online, integration with Yammer, as well as access to the Office software. All of Office 365's components can be managed and configured through an online portal; users can be added manually, imported from a CSV file, or Office 365 can be set up for single sign-on with a local Active Directory using Active Directory Federation Services.

Microsoft 365

Skype is for doing things together, whenever you’re apart. Skype’s text, voice and video make it simple to share experiences with the people that matter to you, wherever they are.

With Skype, you can share a story, celebrate a birthday, learn a language, hold a meeting, work with colleagues – just about anything you need to do together every day. You can use Skype on whatever works best for you - on your phone or computer or a TV with Skype on it. It is free to start using Skype - to speak, see and instant message other people on Skype for example.