Ermitteln welcher User mit wie vielen Outlook Clients verbunden ist. (Exchange 2013)

$casservers = Get-ClientAccessServer
 
$stats = @()
foreach ($casserver in $casservers)
{
    $casservername = $casserver.name
 
    $OWA = $NULL
    $RPC = $NULL
    $EAS = $NULL
    $EWS = $NULL
    $POP = $NULL
    $IMAP = $NULL
     
    $OWA = (Get-Counter "\MSExchange OWA\Aktuelle eindeutige Benutzer" -ComputerName $casservername).CounterSamples.CookedValue  
    $RPC = (Get-Counter "\MSExchange RPCClientAccess\Anzahl Benutzer" -ComputerName $casservername).CounterSamples.CookedValue  
    $EAS = (Get-Counter "\MSExchange ActiveSync\Anforderungen/Sek." -ComputerName $casservername).CounterSamples.CookedValue  
    $EWS = (Get-Counter "\MSExchangeWS\Anforderungen/s" -ComputerName $casservername).CounterSamples.CookedValue  
    $POP = (Get-Counter "\MSExchangePOP3(_total)\Aktuelle Verbindungen" -ComputerName $casservername).CounterSamples.CookedValue  
    $IMAP = (Get-Counter "\MSExchangeIMAP4(_total)\Aktuelle Verbindungen" -ComputerName $casservername).CounterSamples.CookedValue  
     
    $OWA = "{0:N0}" -f $OWA  
    $RPC = "{0:N0}" -f $RPC  
    $EAS = "{0:N0}" -f $EAS  
    $EWS = "{0:N0}" -f $EWS  
    $POP = "{0:N0}" -f $POP  
    $IMAP = "{0:N0}" -f $IMAP  
     
    $stats += new-object PSObject -property @{CASServer="$casservername";OWA="$OWA";RPC="$RPC";EAS="$EAS";EWS="$EWS";POP3="$POP3";IMAP4="$IMAP"}  
}