I'm able to get the Cisco Unity Connection Office 365 connection to authenticate. I've done research on this and it's still pointing back to being a misconfiguration permissions issue with the Office 365 supplied unified messaging service account. I wanted to confirm if I'm heading into the right direction based on the screenshot attached. Thank You. ![Capture.PNG Capture.PNG](https://community.cisco.com/t5/image/serverpage/image-id/175768i01BBEB40EAFD8FB7/image-size/large?v=v2&px=999)