diff --git a/app/Mcp.php b/app/Mcp.php
index f0e5f78..94d16cb 100644
--- a/app/Mcp.php
+++ b/app/Mcp.php
@@ -11,6 +11,7 @@ class Mcp implements ConnectionProvider
 
     private ?PDO $db = null;
     private array $config;
+    private string $dataDir;
     private string $templateDir;
 
     const ROUTES = [
@@ -42,6 +43,7 @@ class Mcp implements ConnectionProvider
     public function __construct($basedir)
     {
         $this->templateDir = $basedir.DIRECTORY_SEPARATOR.'templates';
+        $this->dataDir = $basedir.DIRECTORY_SEPARATOR.'data';
         $this->config = array();
         try {
             $config = parse_ini_file($basedir.DIRECTORY_SEPARATOR.'config.ini', true);
@@ -95,6 +97,11 @@ class Mcp implements ConnectionProvider
         ])->unsafeVar('csrf', $this->csrfField());
     }
 
+    public function getDataDir(): string
+    {
+        return $this->dataDir;
+    }
+
     public function handleRequest()
     {
         $reqClass = 'Mcp\\Page\\Error';
diff --git a/app/cron/IarMonitor.php b/app/cron/IarMonitor.php
new file mode 100644
index 0000000..d6d6344
--- /dev/null
+++ b/app/cron/IarMonitor.php
@@ -0,0 +1,66 @@
+<?php
+declare(strict_types=1);
+
+namespace Mcp\Cron;
+
+use Mcp\OpenSim;
+use Mcp\Opensim\RestConsole;
+use Mcp\Util\Util;
+
+class IarMonitor extends CronJob
+{
+    public function __construct(\Mcp\Mcp $app)
+    {
+        parent::__construct($app, Frequency::EACH_MINUTE);
+    }
+
+    public function run(): bool
+    {
+        $opensim = new OpenSim($this->app->db());
+    
+        $statement = $this->app->db()->prepare("SELECT userID,iarfilename,filesize,state,created FROM mcp_iar_state WHERE state < ?");
+        $statement->execute([2]);
+    
+        while ($row = $statement->fetch()) {
+            if ($row['state'] == 0) { // 0 - Request to OS pending
+                $name = explode(' ', $opensim->getUserName($row['userID']));
+                
+                $restCfg = $this->app->config('restconsole');
+                $restConsole = new RestConsole($restCfg['host'], intval($restCfg['port']));
+                if ($restConsole->startSession($restCfg['user'], $restCfg['password']) && $restConsole->sendCommand('save iar '.$name[0].' '.$name[1].' /* password '.$restCfg['os-iar-path'].$row['iarfilename'])) {
+                    $statementUpdate = $this->app->db()->prepare('UPDATE mcp_iar_state SET state = ? WHERE userID = ?');
+                    $statementUpdate->execute([1, $row['userID']]);
+                }
+            } elseif ($row['state'] == 1) { // 1 - IAR Creation in progress
+                $fullFilePath = $this->app->getDataDir().DIRECTORY_SEPARATOR.'iars'.DIRECTORY_SEPARATOR.$row['iarfilename'];
+                if (file_exists($fullFilePath)) {
+                    $filesize = filesize($fullFilePath);
+        
+                    if ($filesize != $row['filesize']) {
+                        $statementUpdate = $this->app->db()->prepare('UPDATE mcp_iar_state SET filesize = ? WHERE userID = ?');
+                        $statementUpdate->execute([$filesize, $row['userID']]);
+                    } else {
+                        $statementUpdate = $this->app->db()->prepare('UPDATE mcp_iar_state SET state = ?, created = ? WHERE userID = ?');
+                        $statementUpdate->execute([2, time(), $row['userID']]);
+                        
+                        Util::sendInworldIM("00000000-0000-0000-0000-000000000000", $row['userID'], "Inventory", $this->app->config('grid')['homeurl'], "Deine IAR ist fertig zum Download: https://".$this->app->config('domain').'/iars/'.$row['iarfilename']);
+                    }
+                }
+            }
+        }
+
+        // 2 - IAR creation finished; delete if expired
+        $weekOld = time() - 604800;
+        $statementExpired = $this->app->db()->prepare('SELECT userID,iarfilename FROM mcp_iar_state WHERE state = ? AND created < ?');
+        $statementExpired->execute([2, $weekOld]);
+        $statementDeleteExpired = $this->app->db()->prepare('DELETE FROM mcp_iar_state WHERE state = ? AND userID = ?');
+        while ($row = $statementExpired->fetch()) {
+            $fullFilePath = $this->app->getDataDir().DIRECTORY_SEPARATOR.'iars'.DIRECTORY_SEPARATOR.$row['iarfilename'];
+            if (file_exists($fullFilePath) && unlink($fullFilePath)) {
+                $statementDeleteExpired->execute([2, $row['userID']]);
+            }
+        }
+
+        return true;
+    }
+}
diff --git a/config.example.ini b/config.example.ini
index 12fdf28..e1778f1 100644
--- a/config.example.ini
+++ b/config.example.ini
@@ -35,4 +35,14 @@ password = secret
 [grid]
 name = OpenSim
 main-news = Yet another OpenSim Grid.
-homeurl = http://...:8002
\ No newline at end of file
+homeurl = http://...:8002
+
+; Benötigt für die Anforderung von IARs
+[iarfetcher]
+; Zugangsdaten der REST-Konsole von OpenSimulator
+host = example.com
+port = 9001
+user = mcp
+password = secret
+; IAR-Verzeichnis aus Sicht der ROBUST-Instanz
+os-iar-path = /opt/opensim/iars/
\ No newline at end of file
diff --git a/cron/IARMonitor.php b/cron/IARMonitor.php
deleted file mode 100644
index 63935fe..0000000
--- a/cron/IARMonitor.php
+++ /dev/null
@@ -1,58 +0,0 @@
-<?php
-    include_once 'app/OpenSim.php';
-    $opensim = new OpenSim();
-
-    $statement = $RUNTIME['PDO']->prepare("CREATE TABLE IF NOT EXISTS `iarstates` (`userID` VARCHAR(36) NOT NULL COLLATE 'utf8_unicode_ci', `filesize` BIGINT(20) NOT NULL DEFAULT '0', `iarfilename` VARCHAR(64) NOT NULL COLLATE 'utf8_unicode_ci', `running` INT(1) NOT NULL DEFAULT '0', PRIMARY KEY (`userID`) USING BTREE) COLLATE='utf8_unicode_ci' ENGINE=InnoDB;");
-    $statement->execute();
-
-    $statement = $RUNTIME['PDO']->prepare("SELECT userID,iarfilename,filesize FROM iarstates WHERE running = 1 LIMIT 1");
-    $statement->execute();
-
-    if ($row = $statement->fetch()) {
-        $email = $opensim->getUserMail($row['userID']);
-
-        $fullFilePath = "/var/www/html/data/".$row['iarfilename'];
-
-        echo "Aktive IAR für ".$opensim->getUserName($row['userID'])." gefunden. File: ".$fullFilePath."\n";
-
-        if (file_exists($fullFilePath)) {
-            $filesize = filesize($fullFilePath);
-
-            if ($filesize != $row['filesize']) {
-                $statementUpdate = $RUNTIME['PDO']->prepare('UPDATE iarstates SET filesize = :filesize WHERE userID = :userID');
-                $statementUpdate->execute(['filesize' => $filesize, 'userID' => $row['userID']]);
-    
-                echo "Status der IAR für ".$opensim->getUserName($row['userID']).": Speichert...\n";
-            } else {
-                $APIURL = $RUNTIME['SIDOMAN']['URL']."api.php?CONTAINER=".$RUNTIME['SIDOMAN']['CONTAINER']."&KEY=".$RUNTIME['SIDOMAN']['PASSWORD']."&METODE=RESTART";
-                $APIResult = file_get_contents($APIURL);
-                echo "Status der IAR für ".$opensim->getUserName($row['userID']).": Sende Mail...\n";
-                $statementUpdate = $RUNTIME['PDO']->prepare('DELETE FROM iarstates WHERE userID = :userID');
-                $statementUpdate->execute(['userID' => $row['userID']]);
-    
-                sendInworldIM("00000000-0000-0000-0000-000000000000", $row['userID'], "Inventory", $RUNTIME['GRID']['HOMEURL'], "Deine IAR ist fertig zum Download: ".$RUNTIME['IAR']['BASEURL'].$row['iarfilename']);
-            }
-        } else {
-            $name = explode(" ", $opensim->getUserName($row['userID']));
-
-            $APIURL = $RUNTIME['SIDOMAN']['URL']."api.php?CONTAINER=".$RUNTIME['SIDOMAN']['CONTAINER']."&KEY=".$RUNTIME['SIDOMAN']['PASSWORD']."&METODE=COMMAND&COMMAND=".urlencode("save iar ".$name[0]." ".$name[1]." /* PASSWORD /downloads/".$row['iarfilename']);
-            $APIResult = file_get_contents($APIURL);
-
-            echo "IAR für ".$name[0]." ".$name[1]." wurde gestartet: Status: ".$APIResult."\n";
-        }
-    } else {
-        $statement = $RUNTIME['PDO']->prepare("SELECT userID,iarfilename FROM iarstates WHERE running = 0 LIMIT 1");
-        $statement->execute();
-
-        while ($row = $statement->fetch()) {
-            $statementUpdate = $RUNTIME['PDO']->prepare('UPDATE iarstates SET running = :running WHERE userID = :userID');
-            $statementUpdate->execute(['running' => 1, 'userID' => $row['userID']]);
-
-            $name = explode(" ", $opensim->getUserName($row['userID']));
-
-            $APIURL = $RUNTIME['SIDOMAN']['URL']."api.php?CONTAINER=".$RUNTIME['SIDOMAN']['CONTAINER']."&KEY=".$RUNTIME['SIDOMAN']['PASSWORD']."&METODE=COMMAND&COMMAND=".urlencode("save iar ".$name[0]." ".$name[1]." /* PASSWORD /downloads/".$row['iarfilename']);
-            $APIResult = file_get_contents($APIURL);
-
-            echo "IAR für ".$name[0]." ".$name[1]." wurde gestartet: Status: ".$APIResult."\n";
-        }
-    }