Server - Active Directory migration Tool guide

There is an interesting Microsoft tool that give you the ability to migrate users from a domain to another (that is not present on destination)

For that purpose I am indicating relative microsoft guide and tool download link:

Active Directory Migration Tool (ADMT) Guide: Migrating and Restructuring Active Directory Domains Download

ADMT v3.2 has been updated and re-released at 

Download the Windows Server Active Directory Migration Tool (ADMT) V3.2.