How can I control whether Windows 2000's dynamic disk upgrade is available on my computer?

Posted on by Daniel Petri in Disk Management

Windows 2000 introduced the concept of dynamic disks, which let you implement RAID-type disk configurations (e.g., disk mirroring, fault-tolerant striping) and make disk and volume changes without rebooting. Although Microsoft doesn’t support dynamic disks on most laptops, you can enable a dynamic disk on your laptop. Alternatively, you might want to prevent users from upgrading their desktop computers from a basic disk to a dynamic disk.

A registry key controls the ability to upgrade a disk to a dynamic disk. To set this registry key, perform the following steps:

  1. Start a registry editor (e.g., regedit.exe).
  2. Navigate to the


sub key.

  1. Double-click DockingState and set its value either to 0 (to enable the dynamic disk upgrade option) or to 1 (to disable the upgrade option).
  2. Click OK.
  3. Close the registry editor.
  4. Restart the computer.
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