Microsoft KB Archive/254105

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Dynamic Disk Hardware Limitations

Article ID: 254105

Article Last Modified on 3/1/2007


  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Professional Edition
  • Microsoft Windows 2000 Datacenter Server

This article was previously published under Q254105


This article lists the hardware that does not support dynamic disks.


Dynamic disks are not supported on the following hardware:

  • Institute of Electrical and Electronics Engineers (IEEE) 1394 serial bus
  • Universal Serial Bus (USB)
  • Removable disks
  • Disks in laptop computers or laptop docking stations

A dynamic disk is a physical disk that contains dynamic volumes created by using Disk Management. Dynamic disks do not use traditional partition tables like primary and extended partitions (logical drives); therefore, dynamic disks cannot be accessed by MS-DOS, Windows 95, Windows 98, Windows Millennium Edition (Me) or Windows NT operating systems.

For additional information, click the article numbers below to view the articles in the Microsoft Knowledge Base:

222189 Description of Disk Groups in Windows 2000 Disk Management

232463 Option to Upgrade Basic Disk to Dynamic on Laptop Not Available

Additional query words: win2krelnotes

Keywords: kbinfo KB254105