Hello,

Microsoft finally released an updated version of the famous ADMT for Windows Server 2012 and 2012 R2 :

You can download the tool here :

https://connect.microsoft.com/site1164/content/content.aspx?ContentID=30561&IsDraft=False

http://www.microsoft.com/en-us/download/details.aspx?id=56570

ADMT 3.2 Windows Server 2012 and 2012 R2

And the documentation here :

http://www.microsoft.com/en-us/download/details.aspx?id=19188&751be11f-ede8-5a0c-058c-2ee190a24fa6=True

Thanks to Active Directory Migration Tool, you can now migrate objects between Active Directory Domain/Forest from a Windows Server 2012 or 2012R2 box.

Note: Password Export Server can be downloaded here.