This graphic shows the modify migration parameters screen. It has a generate MBOX checkbox and the following fields: number of concurrently migrating users; MBOX directory; source LDAP server; source LDAP port; source LDAP directory manager; source LDAP manager password; source LDAP object class of person; target LDAP server; target LDAP port; target LDAP directory manager; and target LDAP manager password. The screen has the following buttons: OK and Cancel.