diff --git a/vm_control.php b/vm_control.php
index 3a2bee0..c3ea0cb 100644
--- a/vm_control.php
+++ b/vm_control.php
@@ -15,9 +15,10 @@
 // ------------------------------------------------------------------------------
 // Auswertung der Argumente:
 // -----------------------------------------------
+    $error_msg = "";
 // leeren Parameter 'vmname' unterbinden:
     if(!isset($_GET['vmname'])){
-        exit("EXIT - keine VM angegeben!");
+        $error_msg = "EXIT - keine VM angegeben!<br>";
     }
 
 // -----------------------------------------------
@@ -37,19 +38,21 @@
     }
     include("vm_state.php");
 
-// -----------------------------------------------
-// letzten Zugriff dokumentieren:
-    $vm_state["letzter Zugriff:"] = "VM: ".$_GET['vmname']." / Status: ".$_GET['state']." / Key: ".$_GET['key']." / Zeitpunkt: ".date("Y-m-d_H-i-s", time());
-
 // -----------------------------------------------
 // check Key:
     if(strcmp($_GET['key'], "$defined_key")) {
-        exit("Zugriff verweigert");
+        $error_msg = $error_msg."Zugriff verweigert!";
         }
 
 // -----------------------------------------------
 // schreibe Status in Array:
-    $vm_state[$_GET['vmname']] = $_GET['state'];
+    if(empty($error_msg)){
+        $vm_state[$_GET['vmname']] = $_GET['state'];
+    }
+
+// -----------------------------------------------
+// letzten Zugriff dokumentieren:
+    $log["LOG: ".date("Y-m-d_H-i-s", time())] = "VM: ".$_GET['vmname']." / Status: ".$_GET['state']." / Key: ".$_GET['key']." / IP: ".$_SERVER['REMOTE_ADDR'];
 
 // -----------------------------------------------
 // Daten speichern:
@@ -57,6 +60,7 @@
     ftruncate ($fp, 0);
     $input = "<?php\n";
     $input .= "\$vm_state = ".var_export($vm_state, true).";\n";
+    $input .= "\$log = ".var_export($log, true).";\n";
     $input .= "?>";
     fwrite($fp, $input);
 
@@ -67,6 +71,11 @@
 
 // -----------------------------------------------
 // Rückgabe:
-    exit("Status notiert ...");
+    if(empty($error_msg)){
+        exit("Status notiert ...");
+    }
+    else{
+        exit($error_msg);
+    }
 
 ?>
\ No newline at end of file