Mailbox-enable existing Active Directory accounts process is leaving Active Directory accounts as "Enabled". This process should leave the Active Directory accounts as "Disabled"
Issue fixed in version 220.127.116.11. The latest version of Notes Migrator for Exchange can be downloaded at: http://support.quest.com/Search/SearchDownloads.aspx.
For additional status updates or information on this please contact your account manager and reference the Change Request # CR 101315