diff --git a/html/includes/forms/attach-alert-template.inc.php b/html/includes/forms/attach-alert-template.inc.php
index 96162abb5f..7305cbb58e 100644
--- a/html/includes/forms/attach-alert-template.inc.php
+++ b/html/includes/forms/attach-alert-template.inc.php
@@ -14,31 +14,60 @@
 
 use LibreNMS\Authentication\LegacyAuth;
 
-header('Content-type: text/plain');
+header('Content-type: application/json');
 
 if (!LegacyAuth::user()->hasGlobalAdmin()) {
-    die('ERROR: You need to be admin');
+    $response = array(
+        'status'  => 'error',
+        'message' => 'Need to be admin',
+    );
+    echo _json_encode($response);
+    exit;
 }
 
+$status = 'error';
+$message = 'Ops. Something happened. Enable debug and check librenms.log';
+set_debug(true);
 if (!is_numeric($_POST['template_id'])) {
-    echo 'ERROR: No template selected';
-    exit;
+    $message = 'ERROR: No template selected';
 } else {
-    $rules   = preg_split('/,/', mres($_POST['rule_id']));
+    $rules   = preg_split('/,/', $_POST['rule_id']);
     $ids = [];
+    foreach (dbFetchRows('SELECT `alert_rule_id` FROM `alert_template_map` WHERE `alert_templates_id` = ?', array($_POST['template_id'])) as $rule) {
+        $old_rules[] = $rule['alert_rule_id'];
+    }
     foreach ($rules as $rule_id) {
-        $db_id = dbInsert(array('alert_rule_id' => $rule_id, 'alert_templates_id' => mres($_POST['template_id'])), 'alert_template_map');
+        $db_id = dbInsert(array('alert_rule_id' => $rule_id, 'alert_templates_id' =>$_POST['template_id']), 'alert_template_map');
         if ($db_id > 0) {
             $ids[]   = $db_id;
+            $new_rules[] = $rule_id;
         } else {
-            echo 'ERROR: Alert rules have not been attached to this template.';
-            exit;
+            $status = 'error';
+            $message = 'Alert rules have not been attached to this template.';
         }
     }
 
     if (!empty($ids)) {
         dbDelete('alert_template_map', 'id NOT IN ' . dbGenPlaceholders(count($ids)) . ' AND alert_templates_id =?', array_merge($ids, [$_POST['template_id']]));
-        echo "Alert rules have been attached to this template.";
-        exit;
+        $status = 'ok';
+        $message = "Alert rules have been attached to this template.";
     }
 }//end if
+//$old_rules = array_diff($old_rules, $new_rules);
+foreach ($old_rules as $rule) {
+    $rule_name[] = dbFetchCell("SELECT `name` FROM `alert_rules` WHERE `id` = ". $rule);
+}
+foreach ($new_rules as $template) {
+    $template_name[] = dbFetchCell("SELECT `name` FROM `alert_templates` WHERE `id` = ". $_POST['template_id']);
+    $nrule_name[] = dbFetchCell("SELECT `name` FROM `alert_rules` WHERE `id` = ". $template);
+}
+$response = array(
+    'status'        => $status,
+    'message'       => $message,
+    'new_rules'     => $new_rules,
+    'nrule_name'     => $nrule_name,
+    'old_rules'     => $old_rules,
+    'rule_name'     => $rule_name,
+    'template_name'     => $template_name
+);
+echo _json_encode($response);
diff --git a/html/includes/modal/attach_alert_template.inc.php b/html/includes/modal/attach_alert_template.inc.php
index 6f8ea71625..005a0deefc 100644
--- a/html/includes/modal/attach_alert_template.inc.php
+++ b/html/includes/modal/attach_alert_template.inc.php
@@ -3,6 +3,7 @@
  * LibreNMS
  *
  * Copyright (c) 2014 Neil Lathwood <https://github.com/laf/ http://www.lathwood.co.uk/fa>
+ * Copyright (c) 2018 TheGreatDoc <https://github.com/thegreatdoc/>
  *
  * This program is free software: you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
@@ -32,11 +33,17 @@ if (!LegacyAuth::user()->hasGlobalAdmin()) {
                     <div class="form-group">
                         <label for="rules_list">Select rules</label>
                         <select multiple="multiple" class="form-control" id="rules_list" name="rules_list" size="10">
-                            <option></option>
+                            <option>--Clear Rules--</option>
 <?php
 
 foreach (dbFetchRows("SELECT `id`,`rule`,`name` FROM `alert_rules`", array()) as $rule) {
-    echo '<option value="'.$rule['id'].'">'.$rule['name'].'</option>';
+    $is_avail = dbFetchCell("SELECT `alert_templates_id` FROM `alert_template_map` WHERE `alert_rule_id` = ?", [$rule['id']]);
+    if (!isset($is_avail)) {
+        echo '<option value="' . $rule['id'] . '">' . $rule['name'] . '</option>';
+    } else {
+        $template = dbFetchCell("SELECT `name` FROM `alert_templates` WHERE `id` = ?", [$is_avail]);
+        echo '<option value="' . $rule['id'] . '" disabled>' . $rule['name'] . ' - Used in template: ' . $template . '</option>';
+    }
 }
 ?>
                         </select>
@@ -69,6 +76,7 @@ $('#attach-alert-template').on('show.bs.modal', function(e) {
             $.each( output.rule_id, function( i, elem) {
                 elem = parseInt(elem);
                 selected_items.push(elem);
+                $("#rules_list option[value='"+ elem + "']").attr('disabled', false);
             });
             $('#rules_list').val(selected_items);
         }
@@ -92,17 +100,29 @@ $('#alert-template-attach').click('', function(event) {
         type: 'POST',
         url: 'ajax_form.php',
         data: { type: "attach-alert-template", template_id: template_id, rule_id: rules },
-        dataType: "html",
-        success: function(msg) {
-            if(msg.indexOf("ERROR:") <= -1) {
-                toastr.success(msg);
+        dataType: "json",
+        success: function(data) {
+            if (data.status == 'ok') {
+                toastr.success(data.message);
                 $("#attach-alert-template").modal('hide');
+                $.each( data.old_rules, function(index, itemData){
+                    if (itemData != "--Clear Rules--") {
+                        $("#rules_list option[value=" + itemData + "]").prop('disabled', false).text(data.rule_name[index]);
+                    }
+                });
+                $.each( data.new_rules, function(index, itemData){
+                    if (itemData != "--Clear Rules--") {
+                        $("#rules_list option[value=" + itemData + "]").prop('disabled', true).text(data.nrule_name[index] + ' - Used in template:' + data.template_name[index]);
+                    }
+                });
             } else {
-                $('#template_error').html('<div class="alert alert-danger">'+msg+'</div>');
+                //$('#template_error').html('<div class="alert alert-danger">'+msg+'</div>');
+                toastr.error(data.message);
             }
         },
-        error: function() {
-            $("#template_error").html('<div class="alert alert-danger">The alert rules could not be attached to this template.</div>');
+        error: function(data) {
+            //$("#template_error").html('<div class="alert alert-danger">The alert rules could not be attached to this template.</div>');
+            toastr.error(data.message);
         }
     });
 });