diff --git a/hotel_node_master/__manifest__.py b/hotel_node_master/__manifest__.py
index ab8d8f1b7..a936b4ebe 100644
--- a/hotel_node_master/__manifest__.py
+++ b/hotel_node_master/__manifest__.py
@@ -18,6 +18,7 @@
         'views/hotel_node.xml',
         'views/hotel_node_user.xml',
         'views/hotel_node_group.xml',
+        'views/hotel_node_group_remote.xml',
         'views/hotel_node_room_type.xml',
         'views/inherited_res_partner_views.xml',
         'security/hotel_node_security.xml',
diff --git a/hotel_node_master/models/__init__.py b/hotel_node_master/models/__init__.py
index 9d741ca83..e7d98eb6e 100644
--- a/hotel_node_master/models/__init__.py
+++ b/hotel_node_master/models/__init__.py
@@ -3,6 +3,7 @@
 from . import hotel_node
 from . import hotel_node_user
 from . import hotel_node_group
+from . import hotel_node_group_remote
 from . import hotel_node_room
 from . import hotel_node_room_type
 from . import inherited_res_partner
diff --git a/hotel_node_master/models/hotel_node.py b/hotel_node_master/models/hotel_node.py
index f6863cbb4..f30f87b9f 100644
--- a/hotel_node_master/models/hotel_node.py
+++ b/hotel_node_master/models/hotel_node.py
@@ -42,8 +42,10 @@ class HotelNode(models.Model):
     user_ids = fields.One2many('hotel.node.user', 'node_id',
                                'Users with access to this hotel')
 
-    group_ids = fields.Many2many('hotel.node.group', 'hotel_node_group_rel', 'node_id', 'group_id',
-                                 string='Access Groups')
+    # group_ids = fields.Many2many('hotel.node.group', 'hotel_node_group_rel', 'node_id', 'group_id',
+    #                              string='Access Groups')
+    group_ids = fields.One2many('hotel.node.group.remote', 'node_id',
+                                'Access Groups')
 
     room_type_ids = fields.One2many('hotel.node.room.type', 'node_id',
                                     'Rooms Type in this hotel')
diff --git a/hotel_node_master/models/hotel_node_group.py b/hotel_node_master/models/hotel_node_group.py
index 9fbb313f2..a1100b0d2 100644
--- a/hotel_node_master/models/hotel_node_group.py
+++ b/hotel_node_master/models/hotel_node_group.py
@@ -20,8 +20,10 @@ class HotelNodeGroup(models.Model):
                               help="Gives the sequence order when displaying the list of Groups.")
 
     name = fields.Char(required=True, translate=True)
-    node_ids = fields.Many2many('project.project', 'hotel_node_group_rel', 'group_id', 'node_id',
-                                string='Hotels')
+    # node_ids = fields.Many2many('project.project', 'hotel_node_group_rel', 'group_id', 'node_id',
+    #                             string='Hotels')
+    remote_group_ids = fields.One2many('hotel.node.group.remote', 'group_id',
+                                'Access Groups')
     user_ids = fields.Many2many('hotel.node.user', 'hotel_node_user_group_rel', 'group_id', 'user_id',
                                 string='Users')
     # xml_id represents the complete module.name, xml_id = ("%s.%s" % (data['module'], data['name']))
@@ -32,5 +34,6 @@ class HotelNodeGroup(models.Model):
 
     _sql_constraints = [
         ('xml_id_uniq', 'unique (odoo_version, xml_id)',
-         '_(The external identifier of the group must be unique within an Odoo version!')
+         'The external identifier of the group must be unique within an Odoo version!')
     ]
+
diff --git a/hotel_node_master/models/hotel_node_group_remote.py b/hotel_node_master/models/hotel_node_group_remote.py
new file mode 100644
index 000000000..768b2b1f9
--- /dev/null
+++ b/hotel_node_master/models/hotel_node_group_remote.py
@@ -0,0 +1,25 @@
+# Copyright 2018  Pablo Q. Barriuso
+# Copyright 2018  Alexandre Díaz
+# Copyright 2018  Dario Lodeiros
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+import logging
+from odoo import models, fields, api, _
+
+_logger = logging.getLogger(__name__)
+
+
+class HotelNodeGroupRemote(models.Model):
+    _name = "hotel.node.group.remote"
+    _description = "Remote Access Groups IDs"
+
+    node_id = fields.Many2one('project.project', 'Hotel', required=True)
+    group_id = fields.Many2one('hotel.node.group', 'Group', require=True)
+    name = fields.Char(related='group_id.name')
+    remote_group_id = fields.Integer(require=True, copy=False, readonly=True,
+                                    help="ID of the target record in the remote database")
+
+    _sql_constraints = [
+        ('node_remote_group_id_uniq', 'unique (node_id, remote_group_id)',
+         'The remote identifier of the group must be unique within a Node!')
+    ]
diff --git a/hotel_node_master/views/hotel_node_group_remote.xml b/hotel_node_master/views/hotel_node_group_remote.xml
new file mode 100644
index 000000000..c8c56c1d6
--- /dev/null
+++ b/hotel_node_master/views/hotel_node_group_remote.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="hotel_node_group_remote_view_tree" model="ir.ui.view">
+        <field name="name">hotel.node.group.remote.tree</field>
+        <field name="model">hotel.node.group.remote</field>
+        <field name="arch" type="xml">
+            <tree>
+                <field name="node_id"/>
+                <field name="group_id"/>
+                <field name="remote_group_id"/>
+            </tree>
+        </field>
+    </record>
+</odoo>