Your company has a single-domain Active Directory Domain Services (AD DS) forest. All client computers run Windows Vista and are joined to the domain. A file server named Fileserv1 runs Windows Server 2008 R2. You are preparing to migrate all client computers to Windows 7. You have the following requirements:
Preserve the user settings on all client computers. Minimize the effect on network bandwidth during the migration process. You need to ensure that all requirements are met when you perform the migration.
Which command should you run?

A.
scanstate c:store /i:c:migapp.xml /i:c:miguser.xml /config:c:config.xml /localonly

B.
scanstate /i:c:migapp.xml /i:c:miguser.xml /genconfig:c:config.xml /targetvista

C.
scanstate c:store /i:\Fileserv1sharemigapp.xml /i:\Fileserv1sharemiguser.xml /localonly

D.
scanstate c:store /i:migapp.xml /i:miguser.xml /config:config.xml /nocompress /encrypt