...
Pre-requisites & Limitations
If using EWS, Exchange Impersonation for all resource mailboxes is mandatory for the service account(s)
Please see the Microsoft Office 365 configuration guide for instructions to configure Impersonation
| Info |
|---|
Exchange Impersonation is not a requirement when integrating using Microsoft Graph API |
ResourceXpress Settings
To configure OAuth in ResourceXpress first sign into the admin console, using the navigation menu across the top select Administration Settings then System Settings, the OAuth options can be found under the Resource Server tab.
...