When upgrading an XP virtual machine to Vista recently, I faced a number of disk management related issues. These issues were resolved, however, with the help of a couple of free disk management tools. The free VMWare Disk Manager and Microsoft Diskpart are two worthy tools to manage hard disk, partitions and disk volumes. System Administrators, these two tools should be in your arsenal of system utilities to help you in your daily routine. They both are certainly life savers.