diff --git a/include/config.php b/include/config.php
index 8d6a3de..b6cdc91 100644
--- a/include/config.php
+++ b/include/config.php
@@ -1,7 +1,14 @@
 <?php
+  // false -> SQL, true -> LDAP
+  $useLDAP = false;
+
 	$host = 'localhost';
+  // 389 if your want to use LDAP
 	$port = '3306';
+
+  // Unused with LDAP
 	$db   = 'openvpn-admin';
+
 	$user = '';
 	$pass = '';
 ?>
diff --git a/include/connect.php b/include/connect.php
index 0add7e4..f41e8c2 100644
--- a/include/connect.php
+++ b/include/connect.php
@@ -1,5 +1,5 @@
 <?php
-  require(dirname(__FILE__) . "/config.php");
+  require_once(dirname(__FILE__) . "/config.php");
 
 	$options[PDO::ATTR_ERRMODE] = PDO::ERRMODE_EXCEPTION;
 	$bdd = new PDO("mysql:host=$host;port=$port;dbname=$db", $user, $pass, $options);
diff --git a/include/functions.php b/include/functions.php
index 6e2f96f..26ef219 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -42,29 +42,31 @@
     return password_verify($pass, $hash);
   }
 
-//login with LDAP
-
-function loginLDAP($serverFQDN, $username, $password)
-{
-  //connect to LDAP server or AD server. Both work
-  $ldap = ldap_connect($serverFQDN);
-  //check if user exists  if works return true if not return false
-  if ($bind = ldap_bind($ldap, $username, $password))
-  {
-    //return true when login is OK.
-    return true;
+  function isUsingLDAP($useLDAP) {
+    return isset($useLDAP) && $useLDAP === true;
   }
-  else
+
+  function loginLDAP($serverFQDN, $username, $password)
   {
-    //return false when login is NOK
-    return false;
+    //connect to LDAP server or AD server. Both work
+    $ldap = ldap_connect($serverFQDN);
+    //check if user exists  if works return true if not return false
+    if ($bind = ldap_bind($ldap, $username, $password))
+    {
+      //return true when login is OK.
+      return true;
+    }
+    else
+    {
+      //return false when login is NOK
+      return false;
+    }
   }
-}
 
-//get all LDAP users and place them inside a database.
-function getLDAPUsers()
-{
+  //get all LDAP users and place them inside a database.
+  function getLDAPUsers()
+  {
 
-}
+  }
 
 ?>
diff --git a/include/grids.php b/include/grids.php
index 2af635d..8155b0c 100644
--- a/include/grids.php
+++ b/include/grids.php
@@ -4,8 +4,8 @@
   if(!isset($_SESSION['admin_id']))
     exit -1;
 
-  require(dirname(__FILE__) . '/connect.php');
-  require(dirname(__FILE__) . '/functions.php');
+  require_once(dirname(__FILE__) . '/connect.php');
+  require_once(dirname(__FILE__) . '/functions.php');
 
 
   // ---------------- SELECT ----------------
@@ -37,6 +37,12 @@
       }
     }
 
+    else if ($_GET['select'] == "user_ldap") {
+      // Fake data for now
+
+      echo json_encode([ [ "user_ldap_id" => "blabla", "user_ldap_online" => 1 ] ]);
+    }
+
     // Select the logs
     else if($_GET['select'] == "log" && isset($_GET['offset'], $_GET['limit'])){
       $offset = intval($_GET['offset']);
diff --git a/include/html/grids.php b/include/html/grids.php
index 2d7bad1..35291f4 100644
--- a/include/html/grids.php
+++ b/include/html/grids.php
@@ -1,35 +1,56 @@
-<!-- Users grid -->
-<div class="block-grid row" id="user-grid">
-  <h4>
-    OpenVPN Users <button data-toggle="modal" data-target="#modal-user-add" type="button" class="btn btn-success btn-xs"><span class="glyphicon glyphicon-plus"></span></button>
-  </h4>
-  <table id="table-users" class="table"></table>
+<?php
+  // Use MySQL
+  // We allow the administrator to create user
+  // The user table is different too
+  if (isUsingLDAP($useLDAP) === false) {
+?>
 
-  <div id="modal-user-add" class="modal fade" tabindex="-1" role="dialog">
-    <div class="modal-dialog" role="document">
-      <div class="modal-content">
-        <div class="modal-header">
-          <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
-          <h4 class="modal-title">Add user</h4>
-        </div>
-        <div class="modal-body">
-          <div class="form-group">
-            <label for="modal-user-add-username">Username</label>
-            <input type="text" name="username" id="modal-user-add-username" class="form-control" autofocus/>
-          </div>
-          <div class="form-group">
-            <label for="modal-user-add-password">Password</label>
-            <input type="password" name="password" id="modal-user-add-password" class="form-control" />
+    <!-- Users grid -->
+    <div class="block-grid row" id="user-grid">
+      <h4>
+        OpenVPN Users <button data-toggle="modal" data-target="#modal-user-add" type="button" class="btn btn-success btn-xs"><span class="glyphicon glyphicon-plus"></span></button>
+      </h4>
+      <table id="table-users" class="table"></table>
+
+      <div id="modal-user-add" class="modal fade" tabindex="-1" role="dialog">
+        <div class="modal-dialog" role="document">
+          <div class="modal-content">
+            <div class="modal-header">
+              <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
+              <h4 class="modal-title">Add user</h4>
+            </div>
+            <div class="modal-body">
+              <div class="form-group">
+                <label for="modal-user-add-username">Username</label>
+                <input type="text" name="username" id="modal-user-add-username" class="form-control" autofocus/>
+              </div>
+              <div class="form-group">
+                <label for="modal-user-add-password">Password</label>
+                <input type="password" name="password" id="modal-user-add-password" class="form-control" />
+              </div>
+            </div>
+            <div class="modal-footer">
+              <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
+              <button type="button" class="btn btn-primary" id="modal-user-add-save">Save</button>
+            </div>
           </div>
         </div>
-        <div class="modal-footer">
-          <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
-          <button type="button" class="btn btn-primary" id="modal-user-add-save">Save</button>
-        </div>
       </div>
     </div>
+<?php
+  }
+  else {
+?>
+ <!-- Users LDAP grid -->
+  <div class="block-grid row" id="user-ldap-grid">
+    <h4>
+      OpenVPN Users (LDAP)
+    </h4>
+    <table id="table-users-ldap" class="table"></table>
   </div>
-</div>
+<?php
+  }
+?>
 
 <!-- Logs grid -->
 <div class="block-grid row" id="log-grid">
diff --git a/index.php b/index.php
index ab5cff6..d73660d 100644
--- a/index.php
+++ b/index.php
@@ -1,8 +1,9 @@
 <?php
   session_start();
 
-  require(dirname(__FILE__) . '/include/functions.php');
-  require(dirname(__FILE__) . '/include/connect.php');
+  require_once(dirname(__FILE__) . '/include/config.php');
+  require_once(dirname(__FILE__) . '/include/connect.php');
+  require_once(dirname(__FILE__) . '/include/functions.php');
 
   // Disconnecting ?
   if(isset($_GET['logout'])){
@@ -157,8 +158,8 @@
       }
       // Print the installation form
       else {
-        require(dirname(__FILE__) . '/include/html/menu.php');
-        require(dirname(__FILE__) . '/include/html/form/installation.php');
+        require_once(dirname(__FILE__) . '/include/html/menu.php');
+        require_once(dirname(__FILE__) . '/include/html/form/installation.php');
       }
 
       exit(-1);
@@ -169,8 +170,8 @@
       if(isset($error) && $error == true)
         printError('Login error');
 
-      require(dirname(__FILE__) . '/include/html/menu.php');
-      require(dirname(__FILE__) . '/include/html/form/configuration.php');
+      require_once(dirname(__FILE__) . '/include/html/menu.php');
+      require_once(dirname(__FILE__) . '/include/html/form/configuration.php');
     }
 
 
@@ -179,8 +180,8 @@
       if(isset($error) && $error == true)
         printError('Login error');
 
-      require(dirname(__FILE__) . '/include/html/menu.php');
-      require(dirname(__FILE__) . '/include/html/form/login.php');
+      require_once(dirname(__FILE__) . '/include/html/menu.php');
+      require_once(dirname(__FILE__) . '/include/html/form/login.php');
     }
 
     // --------------- GRIDS ---------------
@@ -200,7 +201,7 @@
       </nav>
 
   <?php
-      require(dirname(__FILE__) . '/include/html/grids.php');
+      require_once(dirname(__FILE__) . '/include/html/grids.php');
     }
   ?>
   </body>
diff --git a/js/grids.js b/js/grids.js
index f74c6db..39c37ba 100644
--- a/js/grids.js
+++ b/js/grids.js
@@ -19,8 +19,7 @@ $(function () {
 
   // ------------------------- USERS definitions -------------------------
   var $userTable = $('#table-users');
-  var $modalUserAdd = $('#modal-user-add');
-  var $userAddSave = $modalUserAdd.find('#modal-user-add-save');
+  var $userLDAPTable = $('#table-users-ldap');
 
   function addUser(username, password) {
     $.ajax({
@@ -53,26 +52,30 @@ $(function () {
     });
   }
 
-  var userEditable = {
-    url: gridsUrl,
-    params: function (params) {
-      params.set_user = true;
+  if ($userTable.length !== 0) {
+    var $modalUserAdd = $('#modal-user-add');
+    var $userAddSave = $modalUserAdd.find('#modal-user-add-save');
 
-      return params;
-    },
-    success: function () {
-      refreshTable($userTable);
+    var userEditable = {
+      url: gridsUrl,
+      params: function (params) {
+        params.set_user = true;
+
+        return params;
+      },
+      success: function () {
+        refreshTable($userTable);
+      }
     }
-  }
 
-  // ES 2015 so be prudent
-  if (typeof Object.assign == 'function') {
-    var userDateEditable = Object.assign({ type: 'date', placement: 'bottom' }, userEditable);
-  } else {
-    console.warn('Your browser does not support Object.assign. You will not be able to modify the date inputs.');
+    // ES 2015 so be prudent
+    if (typeof Object.assign == 'function') {
+      var userDateEditable = Object.assign({ type: 'date', placement: 'bottom' }, userEditable);
+    } else {
+      console.warn('Your browser does not support Object.assign. You will not be able to modify the date inputs.');
+    }
   }
 
-
   // ------------------------- ADMIN definitions -------------------------
   var $adminTable = $('#table-admins');
   var $modalAdminAdd = $('#modal-admin-add');
@@ -121,53 +124,72 @@ $(function () {
     }
   }
 
-  // ------------------------- ADMIN definitions -------------------------
+  // ------------------------- LOGS definitions -------------------------
   var $logTable = $('#table-logs');
 
 
   // -------------------- USERS --------------------
 
   // Bootstrap table definition
-  $userTable.bootstrapTable({
-    url: gridsUrl,
-    sortable: false,
-    queryParams: function (params) {
-      params.select = 'user';
-      return params;
-    },
-    // Primary key
-    idField: 'user_id',
-    columns: [
-      { title: "ID", field: "user_id", editable: userEditable },
-      { title: "Pass", field: "user_pass", editable: userEditable },
-      { title: "Mail", field: "user_mail", editable: userEditable },
-      { title: "Phone", field: "user_phone", editable: userEditable },
-      { title: "Online", field: "user_online" },
-      { title: "Enabled", field: "user_enable" },
-      { title: "Start Date", field: "user_start_date", editable: userDateEditable },
-      { title: "End Date", field: "user_end_date", editable: userDateEditable },
-      {
-        title: 'Delete',
-        field: "user_del",
-        formatter: deleteFormatter,
-        events: {
-          'click .glyphicon': function (e, value, row) {
-            if (confirm('Are you sure you want to delete this user?')) {
-              deleteUser(row.user_id);
+
+  if ($userTable.length !== 0) {
+    $userTable.bootstrapTable({
+      url: gridsUrl,
+      sortable: false,
+      queryParams: function (params) {
+        params.select = 'user';
+        return params;
+      },
+      // Primary key
+      idField: 'user_id',
+      columns: [
+        { title: "ID", field: "user_id", editable: userEditable },
+        { title: "Pass", field: "user_pass", editable: userEditable },
+        { title: "Mail", field: "user_mail", editable: userEditable },
+        { title: "Phone", field: "user_phone", editable: userEditable },
+        { title: "Online", field: "user_online" },
+        { title: "Enabled", field: "user_enable" },
+        { title: "Start Date", field: "user_start_date", editable: userDateEditable },
+        { title: "End Date", field: "user_end_date", editable: userDateEditable },
+        {
+          title: 'Delete',
+          field: "user_del",
+          formatter: deleteFormatter,
+          events: {
+            'click .glyphicon': function (e, value, row) {
+              if (confirm('Are you sure you want to delete this user?')) {
+                deleteUser(row.user_id);
+              }
             }
           }
         }
-      }
-    ]
-  });
+      ]
+    });
 
-  // When we want to add a user
-  $userAddSave.on('click', function () {
-    var $usernameInput = $modalUserAdd.find('input[name=username]');
-    var $passwordInput = $modalUserAdd.find('input[name=password]');
-    addUser($usernameInput.val(), $passwordInput.val());
-    $modalUserAdd.modal('hide');
-  });
+    // When we want to add a user
+    $userAddSave.on('click', function () {
+      var $usernameInput = $modalUserAdd.find('input[name=username]');
+      var $passwordInput = $modalUserAdd.find('input[name=password]');
+      addUser($usernameInput.val(), $passwordInput.val());
+      $modalUserAdd.modal('hide');
+    });
+  }
+  else {
+    $userLDAPTable.bootstrapTable({
+      url: gridsUrl,
+      sortable: false,
+      queryParams: function (params) {
+        params.select = 'user_ldap';
+        return params;
+      },
+      // Primary key
+      idField: 'user_ldap_id',
+      columns: [
+        { title: "ID", field: "user_ldap_id"},
+        { title: "Online", field: "user_ldap_online" },
+      ]
+    });
+  }
 
 
   // -------------------- ADMINS --------------------
diff --git a/migration.php b/migration.php
index 85f5b49..e00e30f 100644
--- a/migration.php
+++ b/migration.php
@@ -7,9 +7,9 @@
 
   $www = $argv[1];
 
-  require("$www/include/config.php");
-  require("$www/include/connect.php");
-  require("$www/include/functions.php");
+  require_once("$www/include/config.php");
+  require_once("$www/include/connect.php");
+  require_once("$www/include/functions.php");
 
   $migrations = getMigrationSchemas();