This documentation supports the 23.3 version of BMC Helix Innovation Suite (AR System and BMC Helix Innovation Studio).

To view an earlier version, select the version from the Product version menu.

Registering Email Engine with Microsoft Azure for OAuth 2.0 authentication

You must register Email Engine with Microsoft Azure to configure OAuth 2.0 authentication for the Exchange Web Services (EWS) protocol for your mailbox.


Before you  register your Email Engine for OAuth 2.0 authentication, obtain a Microsoft Exchange Online Subscription.
See, Exchange Online - Hosted Email for Business Open link .

To register the application for OAuth2 Authentication

See the "Register your application" and "Configure for app-only authentication" sections in the Authenticate an EWS application by using OAuth Open link page.

To restrict mailbox access

See New-ApplicationAccessPolicy Open link .


Your Client secret is not available for you to copy. You must keep it with you after you create it. If you haven't copied your Client secret after creating it the very first time, delete the existing one and then create a new one. Make sure to copy and keep it safe somewhere.

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