First you have to give permissions to the account that needs to import/export or nothing will work. Where "MyExportAccount" is the account that needs permissions to export user mailboxes\nNew-ManagementRoleAssignment -Role "Mailbox Import Export" -User "MyExportAccount"\nNext you must submit the request to export a mailbox(you must export to a UNC path). Where ExportMailboxuserName is the alias of the user you are exporting\nNew-MailboxExportRequest -Mailbox ExportMailboxUserName -FilePath "Server1PSTExportsExportMailboxUserName.pst"\nYou may notice if you run the command below that the export status is queued\nGet-MailboxExportRequestStatistics ExportMailboxUserNamemailboxexport | fl\nIf it is queued run this command below\nResume-MailboxExportRequest ExportMailboxUserNamemailboxexport