You are configuring five computers for Windows NT Workstation 4.0 and Windows 2000 Professional. Each computer has an 8 GB hard disk. You configure the hard disk on each computer to have two 4 GB partitions. Windows NT Workstation is installed on drive C and Windows 2000 Professional on drive D. In Windows 2000 Professional， you configure a disk quota on drive D to prevent users from saving work files on the disk. You restart your computer and load Windows NT Workstation. You notice that users can save files to drive D. You want to prevent users from saving the files to drive D in either operating system. You also want to ensure that users can access both drives while using either operating system. What should you do？（）