SUMMARY
This article describes how to assign, to change, or to remove drive letters on a drive, a partition, or a volume by using the Disk Management snap-in in Microsoft Windows XP.
The Disk Management snap-in is an administrative tool for managing hard disks and the volumes or partitions that they contain. Use the Disk Management snap-in when you want to add, to change, or to remove drive letters on drives, on partitions, or on volumes on your computer's hard disks, CD-ROM drives, and other removable media devices.
Your computer can use up to 26 drive letters, from A through Z. Use drive letters C through Z for hard disk drives. Drive letters A and B are reserved for floppy disk drives. However, if your computer does not have a floppy disk drive, you can assign these letters to removable drives.
Before you modify drive-letter assignments, note the following items:
| • | Changing the drive letter of the system volume or the boot volume is not a built-in feature of the Disk Management snap-in. |
| • | Many MS-DOS-based and Microsoft Windows-based programs refer to specific drive letters for environmental or other variables. If you modify the drive letter, these programs may not functioncorrectly. |
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