MailboxNotEnabledForRESTAPI - Microsoft Graph API integration with HMA Enabled on-premise server
问题 We had integrated our application with Microsoft Graph API enabling user to access their outlook through our application. The integration works fine with office365 users but having intermittent issues with users in on-premise server. Initially after enabling HMA in on-premise server the integration started working, but for past two weeks we are facing issue with the integration and receiving error message as below. HTTP error: 404 Error code: MailboxNotEnabledForRESTAPI or