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How can I use DiskPart to extend a volume?
Learn how to use DiskPart to extend a volume.
John Savill
March 17, 2003
1 Min Read
A. You can use the DiskPart utility from the Windows 2000 Server Resource Kit or the Win2K Professional Resource kit to extend an existing volume by performing the following steps:
Download the DiskPart utility from the Microsoft website, then install it on your computer.
Go to Start, Run, then type
cmdto start a command-line session.
Type
diskpartto start a DiskPart session.
Type
list volumeto list the current volumes. The list will look like
Volume ### Ltr Label Fs Type Size Status Info ---------- --- ------------------- ----- -------- ------- Volume 0 C NTFS Partition 10 GB Healthy System Volume 1 D Data NTFS Partition 9 GB Healthy PagefileType
select volumeto select the volume you want to extend.
Type
extendto extend the selected volume. If you don't pass any parameters, DiskPart will use all unpartitioned space on the current disk. Alternatively, you can type
extent size= disk=to set a size and disk to use for the extension.
Type
exitwhen you're finished.
You can extend only volumes created on a dynamic disk, not volumes created on a basic disk that you've upgraded. If you try to extend volumes created on a basic disk, you'll receive the error "DiskPart failed to extend the volume. Please make sure the volume is valid for extending."
Learn more from "Initializing Windows Disks with DiskPart."
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