#get DPM install path
$dpmsetup = "HKLM:\SOFTWARE\Microsoft\Microsoft Data Protection Manager\Setup"
$dpminstallregkey = get-itemproperty $dpmsetup
$installpath = $dpminstallregkey.installpath
$path = $installpath + "\Volumes\Replica"

cd $path
function GetFolders($path)
{
    $folders = Get-ChildItem "."
    foreach ($folder in $folders)
    {
        if (Test-path $folder.Name -pathtype Container)
        {
                Write-Host $folder.name -ForegroundColor Red
            GetCrashitems(".\"+$folder.Name)
        }
    }
}

function GetCrashItems($path)
{
    $crashfile = "dpmra.crashdetect"
    $folders = Get-ChildItem $path
    foreach ($folder in $folders)
    {
        if (Test-path $folder.fullname -pathtype Container)
        {
            $items = Get-ChildItem $folder.fullname
            foreach($item in $items)
            {
                if ($item.name -match $crashfile)
                {
                Write-Host 'Deleting *dpmra.crashdetect file: '$item.fullname
                $item.delete()

                }
            }
        }
    }
}

GetFolders $path