Source settings permit input of mandatory information for the source Exchange environment. This is Office 365 from which the mailboxes will be transitioned to on-premises Exchange. Information can be inserted by clicking the Click to Change.

• Connection URI: This is the Office 365 connection URL. It is outlook.office365.com.

MFA Enabled Source Settings

If Multi-Factor Authentication (MFA) is enabled on Microsoft 365, the source settings will look as: