Port Requirements

Configuring an Access Node to Use the Same Internet Connectivity Settings for All Mailboxes

Assigning Full Access to Service Accounts

Disabling theThrottling Policy

Disabling MAPI Over HTTP

Providing Service Accounts Access to Online Mailboxes

Running Application Check Readiness for the Exchange Client

Configuring Support for Office 365 with Exchange in China or Germany

Using Exchange Web Services

Register the Application for Modern Authentication