Turn on VSS using Powershell

Whilst investigating Server 2016 core we found we needed to turn on VSS.....I found this online (the original website shows a 404 so no reference I'm afraid)   This is not my work but repeated here for me.

#Enable Volume Shadow copy
clear
$Continue = Read-Host "Enable Volume Shadowcopy (Y/N)?"
while("Y","N" -notcontains $Continue) {
    $Continue = Read-Host "Enable Volume Shadowcopy (Y/N)?"
}
if ($Continue -eq "Y") {

    #Enable Shadows
    vssadmin add shadowstorage /for=C: /on=C:  /maxsize=8128MB
    vssadmin add shadowstorage /for=D: /on=D:  /maxsize=8128MB

    #Create Shadows
    vssadmin create shadow /for=C:
    vssadmin create shadow /for=D:

    #Set Shadow Copy Scheduled Task for C: AM
    $Action=new-scheduledtaskaction -execute "c:\windows\system32\vssadmin.exe" -Argument "create shadow /for=C:"
    $Trigger=new-scheduledtasktrigger -daily -at 6:00AM
    Register-ScheduledTask -TaskName ShadowCopyC_AM -Trigger $Trigger -Action $Action -Description "ShadowCopyC_AM"

    #Set Shadow Copy Scheduled Task for C: PM
    $Action=new-scheduledtaskaction -execute "c:\windows\system32\vssadmin.exe" -Argument "create shadow /for=C:"
    $Trigger=new-scheduledtasktrigger -daily -at 6:00PM
    Register-ScheduledTask -TaskName ShadowCopyC_PM -Trigger $Trigger -Action $Action -Description "ShadowCopyC_PM"

    #Set Shadow Copy Scheduled Task for D: AM
    $Action=new-scheduledtaskaction -execute "c:\windows\system32\vssadmin.exe" -Argument "create shadow /for=D:"
    $Trigger=new-scheduledtasktrigger -daily -at 7:00AM
    Register-ScheduledTask -TaskName ShadowCopyD_AM -Trigger $Trigger -Action $Action -Description "ShadowCopyD_AM"

    #Set Shadow Copy Scheduled Task for D: PM
    $Action=new-scheduledtaskaction -execute "c:\windows\system32\vssadmin.exe" -Argument "create shadow /for=D:"
    $Trigger=new-scheduledtasktrigger -daily -at 7:00PM
    Register-ScheduledTask -TaskName ShadowCopyD_PM -Trigger $Trigger -Action $Action -Description "ShadowCopyD_PM"
}