Scripting

2.7    Microsoft Hyper-V Cleanup (PowerShell)

If you use Microsoft Hyper-V as a virtualization system, you run the risk of accumulating old snapshots that will eat up storage space. The following PowerShell script deletes all snapshots older than 30 days:

# Sample file delete-old-snapshots.ps1$days = 30$aMonthAgo = (Get-Date).AddDays(-$days)foreach ($snapshot in Get-VMSnapshot -VMName *) {    if ($snapshot.CreationTime -lt $aMonthAgo) {       $vmname = $snapshot.VMName       $snapname = $snapshot.Name       Write-Output "Delete '$snapname' of VM '$vmname'"       Remove-VMSnapshot -VMName $vmname -Name $snapname -Confirm    }} 

The script assumes that Hyper-V is installed with all the administration tools on your Windows machine, which automatically makes the Hyper-V PowerShell ...