Managing multiple email domains w/ Office 365

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0D50Z00008G7UafSAFOkta Classic EngineOkta Integration NetworkAnswered2024-04-17T11:50:20.000Z2018-08-02T17:50:56.000Z2018-08-27T15:56:37.000Z

b9vx3 (b9vx3) asked a question.

Edited by varun.kavoori1.5210444522562532E12 September 5, 2018 at 1:19 AM

Managing multiple email domains w/ Office 365

We currently have 5-6 different Office 365 applications in Okta, one for each of our primary email domains. These domains are all under the same O365 tenant, so is this necessary, or can we consolidate them under a single application in Okta? Will there be any issues with a user whose email is bob@coolcompany.com logging in under an application that is pointed to awesomecompany.com if they're both under the same tenant?

Top Rated Answers

alex.susu1.5222280451736545E12 (Vendor Management)
Edited by varun.kavoori1.5210444522562532E12 September 5, 2018 at 1:28 AM
Hi Scott,

Thank you for contacting us, my name is Alex and I will be answering this one.
The only issue possible would be with Sharepoint(will be configured for te default domain only) but nothing else. I would use multiple apps just for each domain.
https://support.okta.com/help/blogdetail?id=a67F0000000blNBIAY
Office 365 doesn't support multiple domains with a single end point for anything other than ADFS. Therefore it is not possible to have one app in your Okta org work with all the domains you might have in Office 365. Instead, you need to create an Office 365 app per domain.

Kind regards,
Alex Susu
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All Answers

alex.susu1.5222280451736545E12 (Vendor Management)
Edited by varun.kavoori1.5210444522562532E12 September 5, 2018 at 1:28 AM
Hi Scott,

Thank you for contacting us, my name is Alex and I will be answering this one.
The only issue possible would be with Sharepoint(will be configured for te default domain only) but nothing else. I would use multiple apps just for each domain.
https://support.okta.com/help/blogdetail?id=a67F0000000blNBIAY
Office 365 doesn't support multiple domains with a single end point for anything other than ADFS. Therefore it is not possible to have one app in your Okta org work with all the domains you might have in Office 365. Instead, you need to create an Office 365 app per domain.

Kind regards,
Alex Susu
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Selected as Best
DA839558M.70540 (Customer)
8 years ago
is there an answer for this one ?.
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b9vx3 (b9vx3)
8 years ago
Chris,

The answer I got from Okta was that a separate O365 application is required for each domain that matches the user's UPN/email.
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This question is closed.

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Managing multiple email domains w/ Office 365