The PowerShell cmdlet Repair-VHD is used to repair corrupted virtual hard disk files (VHD or VHDX). This tool specifically targets issues within the virtual disk structure rather than the operating system inside the disk.
This is a deep technical guide to the Repair-VHD PowerShell cmdlet. While the command syntax appears simple, the underlying technology (VHDX) and the scenarios in which this command is useful involve complex storage concepts.
Repair-VHD requires the file to be recognized as a VHD/VHDX initially. If the file signature is gone, the cmdlet will error out: "The file type is not valid." repair-vhd powershell
Repair-VHD -Path "D:\VMs\CorruptDisk.vhdx" -Mode Repair
Only two mandatory parameters:
Get-VHD -Path "D:\VMs\Win10-Child.avhdx"
Repair-VHD [-Path] <String> [-Mode <RepairMode>] [-ReadOnly <Boolean>] [-CimSession <CimSession[]>] [-ComputerName <String[]>] [-Credential <PSCredential[]>] [<CommonParameters>] The PowerShell cmdlet Repair-VHD is used to repair
Repair-VHD -Path "D:\VMs\Win10-Child.avhdx" -ParentPath "E:\Backups\Win10-Parent.vhdx"