expand-vdisk.md

title	description	ms.topic	ms.assetid	ms.author	author	manager	ms.date
expand vdisk	Reference article for the expand vdisk command, which expands a virtual hard disk (VHD) to a specified size.	reference	3ae547b4-3813-4b86-bacd-bc273c028a2a	jgerend	JasonGerend	mtillman	10/16/2017

expand vdisk

Applies to: Windows Server 2022, Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012

Expands a virtual hard disk (VHD) to a specified size.

A VHD must be selected and detached for this operation to succeed. Use the select vdisk command to select a volume and shift the focus to it.

Syntax

expand vdisk maximum=<n>

Parameters

Parameter	Description
maximum=<n>	Specifies the new size for the VHD in megabytes (MB).

Examples

To expand the selected VHD to 20 GB, type:

expand vdisk maximum=20000

Related links

• Command-Line Syntax Key

• select vdisk command

• attach vdisk command

• compact vdisk command

• detach vdisk command

• detail vdisk command

• merge vdisk command

• list command