The following error message appears in the backend logs: "error: 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. "
If MFA is enabled, it will not be able to pass the back-end Microsoft API basic authentication. These are suggestions you can try for the RMS provision:
- Disable the Global Admin Credential MFA temporary and then try again the RMS provision. After the provision finishes successfully, the customer can re-enable the MFA again.
- Create a new account without MFA enabled for temporary usage, then try again the RMS provision with that account. After finishing with success, you can remove the temporary account.
- Default Security Setting
- Conditional Access Rule
More information can be found here: https://docs.microsoft.com/en-us/azure/active-directory/fundamentals/concept-fundamentals-security-defaults
If any of these settings are enabled, please disable them for the admin account temporarily until RMS's provisioning process is finished.