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Okta and Office 365: Error when federating / setting up Provisioning

You receive the following error message when trying to “Fetch and Select” Domains within the Okta Office 365 app:

Could not communicate with Office 365 to validate your credentials, received error: 400 Showing a modal dialog box or form when the application is not running in UserInteractive mode is not a valid operation. Specify the ServiceNotification or DefaultDesktopOnly style to display a notification from a service application.

 

Usually that means there is still a MFA prompt required in Azure AD – you have to deactivate that!

You have to check the following configurations:

After resolving that, configuration in Okta should work as expected.

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