Prerequisites for migration in an Exchange and Office 365 hybrid environment
In a hybrid Exchange environment, such as Exchange to Exchange or Exchange to Office 365, having coexisting mailboxes for the same user can create challenges when distinguishing between the source and target mailboxes during migration. If you're using an AD synchronization tool like Azure Active Directory Connect or Azure AD Sync to synchronize data within your hybrid Exchange setup, it's essential to configure specific attributes to streamline the migration operation.
Below are the prerequisites for managing migrations using EdbMails in a hybrid Exchange environment. These prerequisites are primarily met through the configuration of specific attributes in the hybrid setup.
Once you have implemented one of the solutions outlined below, you can proceed with the migration operation using EdbMails.