You are a desktop support technician for your company. You upgrade the computers that run Microsoft Windows XP Professional to Windows Vista. Users are unable to load their roaming user profiles on the upgraded computers. You need to ensure that users can load their roaming user profiles on the upgraded computers. What should you do?

A.
Create new roaming profiles on the upgraded computers.

B.
Enable the roaming user profile on the upgraded computers.

C.
Change ntuser.dat to ntuser.man in the origianl user profiles.

D.
Configure the Folder Redirection group policy to redirect specific user folders to the original user profile location.