The Scenario Your organisation have decided to migrate from Exchange 2010 to Exchange 2016. The Exchange 2016 server have been installed into your current Exchange Organization. The Mailbox role have been installed on the Exchange 2016 server and you are ready to start moving mailboxes from the Exchange 2010 server to the Exchange 2016 server. Migrating a Mailbox from Exchange 2010 to Exchange 2016 Using New-MoveRequest Migrating a single mailbox involves invoking the cmdlet New-MoveRequest from the Exchange Management Shell on the Exchange 2016 server . Make sure that your user account that you have logged into the server with have the Organization Management role. The common parameters that I use for the New-MoveRequest cmdlet is : New-MoveRequest -Identity 'useralias@somedomain.com' -TargetDatabase "DB02" -BadItemLimit 10 The -Identity parameter identifies the mailbox to be migrated. I usually use the e-mail address of the mailbox for the identity