A. In Active Directory, modify the Default Domain Policy. Disable the Do not check for user ownership of Roaming Profile Folders setting.
B. In Active Directory, modify the Default Domain Policy. Enable the Delete cached copies of roaming profiles setting.
C. Log on to all client computers and delete all user profiles from the local hard disks.
D. Log on to all client computers and configure the Number of previous logons to cache setting to 0.