Get completion percentage for batch VM clone tasks

vm-deploy-progress.ps1

# Get completion percentage for batch VM clone tasks
function Get-VMDeployProgress() {
    [Alias('deployProgress')]
    Param(
        [string]$VCUser = $global:DefaultVIServers[0].User.Split('\')[1]
    )
    do {
        $Tasks = Get-Task | Where-Object { $_.Name -match 'clone' `
                -and $_.State -match 'running' `
                -and $_.ExtensionData.Info.Reason.UserName -match $VCUser }
        if ($null -eq $Original) { $Original = $Tasks.Count }
        $Running = $Percent = 0
        foreach ($Task in $Tasks) {
            $Percent += $Task.PercentComplete
            if ($Task.state -match 'Running') { $Running++ }
        }
        $Total = (($Original - $Running) * 100 + $Percent) / $Original
        Write-Progress -Activity 'Deploying VMs' -PercentComplete $total `
            -Status ('VMs still deploying: {0} of {1}, {2:n}% complete...' `
                -f $running, $original, $total)
        Start-Sleep 1
    }
    while ($Running -ne 0)
}

Updated version available in my HelperFunctions module.