diff --git a/Layout/default/Preordercampaign/Admin.php b/Layout/default/Preordercampaign/Admin.php
index 14b520133..fc6bee7a5 100644
--- a/Layout/default/Preordercampaign/Admin.php
+++ b/Layout/default/Preordercampaign/Admin.php
@@ -25,12 +25,37 @@
         
         <div class="card">
           <div class="card-body">
-            <div class="row col" id="map-link">
-              <div class="form-group">
-                <a href="<?=self::getUrl("Preordercampaign","createRimoWorkorders", ["id" => $campaign->id])?>" class="btn btn-secondary"><i class="far fa-r"></i> <i class="far fa-gears"></i> Workorders in RIMO erstellen</a><br />
-                Erstellt Workorders für Vorbestelllungen, für die noch keine Workorders erstellt wurden
+            <h4>Workorders erstellen</h4>
+            <div class="row justify-content-end">
+              <div class="col-10">
+                <div class="row">
+                  <div class="col">
+                    Workorders erstellen für Vorbestellungen, für die noch keine Workorders erstellt wurden:<br />
+                  </div>
+                </div>
+                <div class="row mt-1">
+                  <div class="col">
+                    <a href="<?=self::getUrl("Preordercampaign","createRimoWorkorders", ["id" => $campaign->id])?>" class="btn btn-primary"><i class="far fa-r"></i> <i class="far fa-gears"></i> Workorders in RIMO erstellen</a><br />
+                  </div>
+                </div>
+              </div>
+              
+              
+            </div>
+            <?php if($missing_extref_count || $failed_count): ?>
+            <div class="row justify-content-end mt-2">
+              <div class="col-10">
+                <div class="alert alert-warning">
+                  <?php if($missing_extref_count): ?>
+                    <?=$missing_extref_count?> Wohneinheiten ohne extref (SDIHome_...)<br />
+                  <?php endif; ?>
+                  <?php if($failed_count): ?>
+                    <?=$failed_count?> Workorders konnten nicht erstellt werden.
+                  <?php endif; ?>
+                </div>
               </div>
             </div>
+            <?php endif; ?>
           </div>
         </div>
 
diff --git a/application/Preordercampaign/PreordercampaignController.php b/application/Preordercampaign/PreordercampaignController.php
index fa28ec787..576804b1e 100644
--- a/application/Preordercampaign/PreordercampaignController.php
+++ b/application/Preordercampaign/PreordercampaignController.php
@@ -442,6 +442,10 @@ class PreordercampaignController extends mfBaseController {
       $this->redirect("Preordercampaign");
     }
     
+    $missing_units = [];
+    $missing_extrefs = [];
+    $workorders_created = 0;
+    $workorders_failed = 0;
     
     foreach(PreorderModel::search(["preordercampaign_id" => $id, "workorder_export_date" => null]) as $preorder) {
       if($preorder->workorder_export_date) {
@@ -455,7 +459,7 @@ class PreordercampaignController extends mfBaseController {
       }
       $wohneinheit = new ADBWohneinheit($preorder->adb_wohneinheit_id);
       if(!$wohneinheit->id) {
-        echo "Wohneinheit nicht gefunden (Preorder ".$preorder->id." ".$preorder->ucode." ".$preorder->oaid.")\n";
+        $this->log->error(__METHOD__.": Wohneinheit nicht gefunden (Preorder ".$preorder->id." ".$preorder->ucode." ".$preorder->oaid.")");
         continue;
       }
 
@@ -481,7 +485,14 @@ class PreordercampaignController extends mfBaseController {
       $params["phone"] = trim($preorder->phone);
       $params["email"] = trim($preorder->email);
       $params["orderId"] = $preorder->ucode;
-      $params["openAccessId"] = $preorder->oaid;
+      //$params["openAccessId"] = $preorder->oaid; // TODO: flag in campaign to include OAID or not
+      
+      $ctx_opts = [
+        'http' => [
+          'method' => 'POST',
+          'header' => 'accept: application/json'
+        ]
+      ];
       
       $qs = http_build_query($params);
       //echo $qs."\n";
@@ -489,19 +500,55 @@ class PreordercampaignController extends mfBaseController {
       $createOrderEp = RIMO_API_JSON_URL.RIMO_API_JSON_EP_CREATE_WORKORDER;
       $post_url = $createOrderEp."?".$qs;
       $ctx = stream_context_create($ctx_opts);
+      $this->log->debug(__METHOD__.": Creating Workorder: $post_url");
+      
       $response = file_get_contents($post_url, false, $ctx);
-
+      
       if($response === false) {
         echo "Fehler beim Exportieren der Workorder für Preorder ".$preorder->id." ".$preorder->ucode." ".$preorder->oaid."\n";
+        $workorders_failed++;
         continue;
       }
       $preorder->workorder_export_date = date('U');
       $preorder->workorder_export_data = $response;
       $preorder->save();
-
-      //var_dump($preorder, $response);
-      //exit;
-
+      $workorders_created++;
+      
     }
+    
+    $errors = [];
+    $warnings = [];
+    
+    if(count($missing_units)) {
+      $warnings[] = count($missing_units)." Vobestellungen ohne Wohneinheit";
+    }
+    if(count($missing_extrefs)) {
+      $warnings[] = count($missing_extrefs)." Wohneinheiten ohne extref (SDIHome_)";
+    }
+    
+    
+    if($workorders_failed) {
+      $errors[] = "$workorders_failed Workorders konnten nicht erstellt werden.";
+    }
+    
+    
+    if(count($errors)) {
+      $this->layout()->setFlash(implode("<br />\n", $errors), "error");
+    }
+    if(count($warnings)) {
+      $this->layout()->setFlash(implode("<br />\n", $warnings), "warning");
+    }
+    
+    if($workorders_created) {
+      $this->layout()->setFlash("$workorders_created Workorders erfolgreich erstellt", "success");
+    } else {
+      $this->layout()->setFlash("Es konnten keine Workorders erstellt werden", "info");
+    }
+    
+    
+    
+
+    $this->redirect("Preordercampaign", "Admin", ["id" => $id]);
+    
   }
 }
\ No newline at end of file