diff --git a/nfvo.py b/nfvo.py
index 0b7e6d0..3708edd 100644
--- a/nfvo.py
+++ b/nfvo.py
@@ -43,7 +43,7 @@
 import nfvo_db
 from threading import Lock
 from time import time
-#import openvim.ovim as Ovim
+import openvim.ovim as Ovim
 
 global global_config
 global vimconn_imported
@@ -133,8 +133,8 @@
         #TODO: log_level_of should not be needed. To be modified in ovim
         'log_level_of': 'DEBUG'
     }
-    #ovim = Ovim.ovim(ovim_configuration)
-    #ovim.start_service()
+    ovim = Ovim.ovim(ovim_configuration)
+    ovim.start_service()
 
     from_= 'tenants_datacenters as td join datacenters as d on td.datacenter_id=d.uuid join datacenter_tenants as dt on td.datacenter_tenant_id=dt.uuid'
     select_ = ('type','d.config as config','d.uuid as datacenter_id', 'vim_url', 'vim_url_admin', 'd.name as datacenter_name',
@@ -3129,25 +3129,22 @@
     return vim_action_get(mydb, tenant_id, datacenter, item, content)
 
 def sdn_controller_create(mydb, tenant_id, sdn_controller):
-    #data = ovim.new_of_controller(sdn_controller)
-    data = []
+    data = ovim.new_of_controller(sdn_controller)
     logger.debug('New SDN controller created with uuid {}'.format(data))
     return data
 
 def sdn_controller_update(mydb, tenant_id, controller_id, sdn_controller):
-    #data = ovim.edit_of_controller(controller_id, sdn_controller)
-    data = []
+    data = ovim.edit_of_controller(controller_id, sdn_controller)
     msg = 'SDN controller {} updated'.format(data)
     logger.debug(msg)
     return msg
 
 def sdn_controller_list(mydb, tenant_id, controller_id=None):
     if controller_id == None:
-        #data = ovim.get_of_controllers()
-        data = []
+        data = ovim.get_of_controllers()
     else:
-        #data = ovim.show_of_controller(controller_id)
-        data = {'dpid': None}
+        data = ovim.show_of_controller(controller_id)
+
     msg = 'SDN controller list:\n {}'.format(data)
     logger.debug(msg)
     return data
@@ -3161,8 +3158,7 @@
             if 'sdn-controller' in config and config['sdn-controller'] == controller_id:
                 raise NfvoException("SDN controller {} is in use by datacenter {}".format(controller_id, datacenter['uuid']), HTTP_Conflict)
 
-    #data = ovim.delete_of_controller(controller_id)
-    data = 0
+    data = ovim.delete_of_controller(controller_id)
     msg = 'SDN controller {} deleted'.format(data)
     logger.debug(msg)
     return msg
@@ -3177,8 +3173,8 @@
     except:
         raise NfvoException("The datacenter {} has not an SDN controller associated".format(datacenter_id), HTTP_Bad_Request)
 
-    #sdn_controller = ovim.show_of_controller(sdn_controller_id)
-    #switch_dpid = sdn_controller["dpid"]
+    sdn_controller = ovim.show_of_controller(sdn_controller_id)
+    switch_dpid = sdn_controller["dpid"]
 
     maps = list()
     for compute_node in sdn_port_mapping:
@@ -3194,12 +3190,10 @@
                                      " or 'switch_mac'", HTTP_Bad_Request)
             maps.append(dict(element))
 
-    #return ovim.set_of_port_mapping(maps, ofc_id=sdn_controller_id, switch_dpid=switch_dpid, region=datacenter_id)
-    return []
+    return ovim.set_of_port_mapping(maps, ofc_id=sdn_controller_id, switch_dpid=switch_dpid, region=datacenter_id)
 
 def datacenter_sdn_port_mapping_list(mydb, tenant_id, datacenter_id):
-    #maps = ovim.get_of_port_mappings(db_filter={"region": datacenter_id})
-    maps = []
+    maps = ovim.get_of_port_mappings(db_filter={"region": datacenter_id})
 
     result = {
         "sdn-controller": None,
@@ -3217,9 +3211,9 @@
             result["sdn-controller"] = controller_id
             result["dpid"] = sdn_controller["dpid"]
 
-    # if result["sdn-controller"] == None or result["dpid"] == None:
-    #     raise NfvoException("Not all SDN controller information for datacenter {} could be found: {}".format(datacenter_id, result),
-    #                         HTTP_Internal_Server_Error)
+    if result["sdn-controller"] == None or result["dpid"] == None:
+        raise NfvoException("Not all SDN controller information for datacenter {} could be found: {}".format(datacenter_id, result),
+                            HTTP_Internal_Server_Error)
 
     if len(maps) == 0:
         return result
@@ -3251,5 +3245,4 @@
     return result
 
 def datacenter_sdn_port_mapping_delete(mydb, tenant_id, datacenter_id):
-    #return ovim.clear_of_port_mapping(db_filter={"region":datacenter_id})
-    return 0
+    return ovim.clear_of_port_mapping(db_filter={"region":datacenter_id})
\ No newline at end of file
diff --git a/vim_thread.py b/vim_thread.py
index 676ba20..eb740b4 100644
--- a/vim_thread.py
+++ b/vim_thread.py
@@ -34,7 +34,7 @@
 import logging
 import vimconn
 from db_base import db_base_Exception
-#from openvim.ovim import ovimException
+from openvim.ovim import ovimException
 
 
 # from logging import Logger
@@ -159,8 +159,7 @@
             net_type = params[1]
 
             network = None
-            #sdn_controller = self.vim.config.get('sdn-controller')
-            sdn_controller = None
+            sdn_controller = self.vim.config.get('sdn-controller')
             if sdn_controller and (net_type == "data" or net_type == "ptp"):
                 network = {"name": net_name, "type": net_type}
 
@@ -190,9 +189,9 @@
             except db_base_Exception as e:
                 self.logger.error("Error updating database %s", str(e))
             return False, str(e)
-        # except ovimException as e:
-        #     self.logger.error("Error creating NET in ovim, task=%s: %s", str(task_id), str(e))
-        #     return False, str(e)
+        except ovimException as e:
+            self.logger.error("Error creating NET in ovim, task=%s: %s", str(task_id), str(e))
+            return False, str(e)
 
     def new_vm(self, task):
         try:
@@ -253,8 +252,7 @@
 
     def del_net(self, task):
         net_id = task["params"][0]
-        #sdn_net_id = task["params"][1]
-        sdn_net_id = None
+        sdn_net_id = task["params"][1]
         if is_task_id(net_id):
             try:
                 task_create = task["depends"][net_id]
@@ -274,7 +272,8 @@
             return True, result
         except vimconn.vimconnException as e:
             return False, str(e)
-        # except ovimException as e:
-        #     logging.error("Error deleting network from ovim. net_id: {}, sdn_net_id: {}".format(net_id, sdn_net_id))
-        #     return False, str(e)
+        except ovimException as e:
+            logging.error("Error deleting network from ovim. net_id: {}, sdn_net_id: {}".format(net_id, sdn_net_id))
+            return False, str(e)
+