How to Convert from Dynamic VHD/VHDX Disk Format to / from Fixed in Hyper-V
In order to convert your VHD or VHDX file from a dynamically growing format to a fixed size format,
you can use the PowerShell and run the Convert-VHD command.
When the VM is offline, you can specify the VHDType parameter and switch to a differencing disk, you can switch between Fixed, Dynamic, and Differencing as needed.
The syntax to convert to a dynamic disk type is as follows:
Convert-VHD –Path c:\VM\my-vhdx.vhdx –DestinationPath c:\New-VM\new-vhdx.vhdx –VHDType Dynamic
More information on this command may be obtained here
Also, try BackupChain //backupchain.com/Backup-Software-Protection.html to back up your VMs quickly and efficiently
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