diff --git a/common/python/rift/mano/cloud/accounts.py b/common/python/rift/mano/cloud/accounts.py
index 57ca55f..d3aa860 100644
--- a/common/python/rift/mano/cloud/accounts.py
+++ b/common/python/rift/mano/cloud/accounts.py
@@ -21,6 +21,7 @@
 require_version('RwcalYang', '1.0')
 require_version('RwTypes', '1.0')
 require_version('RwCloudYang', '1.0')
+require_version('RwCal', '1.0')
 
 from gi.repository import (
         RwTypes,
diff --git a/models/plugins/yang/nsr.yang b/models/plugins/yang/nsr.yang
index c2b7d06..f7c16fe 100644
--- a/models/plugins/yang/nsr.yang
+++ b/models/plugins/yang/nsr.yang
@@ -613,6 +613,14 @@
         type uint32;
       }
 
+      leaf uptime {
+        description
+          "Active period of this Network Service.
+          Uptime is expressed in seconds";
+
+        type uint32;
+      }
+
       list connection-point {
         description
             "List for external connection points.
diff --git a/models/plugins/yang/vlr.yang b/models/plugins/yang/vlr.yang
index ef3d603..20ba6f7 100644
--- a/models/plugins/yang/vlr.yang
+++ b/models/plugins/yang/vlr.yang
@@ -132,6 +132,14 @@
         type uint32;
       }
 
+      leaf uptime {
+        description
+          "Active period of this Virtual Link.
+          Uptime is expressed in seconds";
+
+        type uint32;
+      }
+
       leaf network-id {
         description 
             "Identifier for the allocated network resource.";
diff --git a/models/plugins/yang/vnfr.yang b/models/plugins/yang/vnfr.yang
index 4a427d4..a4419ce 100644
--- a/models/plugins/yang/vnfr.yang
+++ b/models/plugins/yang/vnfr.yang
@@ -199,6 +199,14 @@
         type uint32;
       }
 
+      leaf uptime {
+        description
+          "Active period of this Virtual Network Function.
+          Uptime is expressed in seconds";
+
+        type uint32;
+      }
+
       leaf vnfd-ref {
         description "Reference to VNFD";
         type leafref {
diff --git a/rwcal/plugins/vala/rwcal_openstack/rift/rwcal/openstack/openstack_drv.py b/rwcal/plugins/vala/rwcal_openstack/rift/rwcal/openstack/openstack_drv.py
index 2505da3..a720b8a 100644
--- a/rwcal/plugins/vala/rwcal_openstack/rift/rwcal/openstack/openstack_drv.py
+++ b/rwcal/plugins/vala/rwcal_openstack/rift/rwcal/openstack/openstack_drv.py
@@ -123,6 +123,8 @@
         try:
             ksconn = self._get_keystone_connection()
             service_endpoint  = ksconn.service_catalog.url_for(**endpoint_kwargs)
+        except (KeystoneExceptions.Unauthorized, KeystoneExceptions.AuthorizationFailure) as e:
+            raise
         except Exception as e:
             logger.error("OpenstackDriver: Service Catalog discovery operation failed for service_type: %s, endpoint_type: %s. Exception: %s" %(service_type, endpoint_type, str(e)))
             raise
@@ -1652,6 +1654,8 @@
             try:
                 ntconn   = self.neutron_drv._get_neutron_connection()
                 networks = ntconn.list_networks()
+            except (KeystoneExceptions.Unauthorized, KeystoneExceptions.AuthorizationFailure) as e:
+                raise
             except Exception as e:
                 logger.error("OpenstackDriver: List Network operation failed. Exception: %s" %(str(e)))
                 raise
diff --git a/rwcal/plugins/vala/rwcal_openstack/rwcal_openstack.py b/rwcal/plugins/vala/rwcal_openstack/rwcal_openstack.py
index 19eea3b..8a2d275 100644
--- a/rwcal/plugins/vala/rwcal_openstack/rwcal_openstack.py
+++ b/rwcal/plugins/vala/rwcal_openstack/rwcal_openstack.py
@@ -26,6 +26,7 @@
 import rift.cal.rwcal_status as rwcal_status
 import rwlogger
 import neutronclient.common.exceptions as NeutronException
+import keystoneclient.exceptions as KeystoneExceptions
 
 from gi.repository import (
     GObject,
@@ -88,6 +89,9 @@
                                          tenant_name   = account.openstack.tenant,
                                          mgmt_network  = account.openstack.mgmt_network,
                                          cert_validate = account.openstack.cert_validate )
+            except (KeystoneExceptions.Unauthorized, KeystoneExceptions.AuthorizationFailure,
+                        NeutronException.NotFound) as e:
+                raise
             except Exception as e:
                 self.log.error("RwcalOpenstackPlugin: OpenstackDriver init failed. Exception: %s" %(str(e)))
                 raise
@@ -118,11 +122,27 @@
             Validation Code and Details String
         """
         status = RwcalYang.CloudConnectionStatus()
-
         try:
             with self._use_driver(account) as drv:
                 drv.validate_account_creds()
 
+        except KeystoneExceptions.Unauthorized as e:
+            self.log.error("Invalid credentials given for VIM account %s" %account.name)
+            status.status = "failure"
+            status.details = "Invalid Credentials: %s" % str(e)
+
+        except KeystoneExceptions.AuthorizationFailure as e:
+            self.log.error("Bad authentication URL given for VIM account %s. Given auth url: %s" % (
+            account.name, account.openstack.auth_url))
+            status.status = "failure"
+            status.details = "Invalid auth url: %s" % str(e)
+
+        except NeutronException.NotFound as e:
+            self.log.error("Given management network %s could not be found for VIM account %s" % (
+                        account.openstack.mgmt_network, account.name))
+            status.status = "failure"
+            status.details = "mgmt network does not exist: %s" % str(e)
+
         except openstack_drv.ValidationError as e:
             self.log.error("RwcalOpenstackPlugin: OpenstackDriver credential validation failed. Exception: %s", str(e))
             status.status = "failure"
diff --git a/rwlaunchpad/plugins/rwmonparam/rift/tasklets/rwmonparam/nsr_core.py b/rwlaunchpad/plugins/rwmonparam/rift/tasklets/rwmonparam/nsr_core.py
index b1b9cd0..31b7647 100644
--- a/rwlaunchpad/plugins/rwmonparam/rift/tasklets/rwmonparam/nsr_core.py
+++ b/rwlaunchpad/plugins/rwmonparam/rift/tasklets/rwmonparam/nsr_core.py
@@ -113,6 +113,10 @@
         # value => (value_type, value)
         self.vnfr_monparams = {}
 
+        # create_nsr_mon_params() is already validating for 'is_legacy' by checking if
+        # nsd is having 'monitoring_param'. So removing 'self.aggregation_type is None' check for is_legacy.
+        self.is_legacy = is_legacy
+
         if not is_legacy:
             self._msg = self._convert_nsd_msg(monp_config)
         else:
@@ -144,9 +148,9 @@
         """Aggregation type"""
         return self.nsr_mon_param_msg.aggregation_type
 
-    @property
-    def is_legacy(self):
-        return (self.aggregation_type is None)
+    # @property
+    # def is_legacy(self):
+    #     return (self.aggregation_type is None)
 
     @classmethod
     def extract_value(cls, monp):
diff --git a/rwlaunchpad/plugins/rwnsm/rift/tasklets/rwnsmtasklet/rwnsm_conman.py b/rwlaunchpad/plugins/rwnsm/rift/tasklets/rwnsmtasklet/rwnsm_conman.py
index e29f491..23ab7b6 100644
--- a/rwlaunchpad/plugins/rwnsm/rift/tasklets/rwnsmtasklet/rwnsm_conman.py
+++ b/rwlaunchpad/plugins/rwnsm/rift/tasklets/rwnsmtasklet/rwnsm_conman.py
@@ -103,9 +103,13 @@
 
             # Update the NSR's config status
             new_status = ROConfigManager.map_config_status(cm_nsr['state'])
-            self._log.debug("Updating config status of NSR {} to {}({})".
-                                format(nsrid, new_status, cm_nsr['state']))
-            yield from self.nsm.nsrs[nsrid].set_config_status(new_status, cm_nsr.get('state_details'))
+            self._log.info("Updating config status of NSR {} to {}({})".
+                           format(nsrid, new_status, cm_nsr['state']))
+
+            # If terminate nsr request comes when NS instantiation is in 'Configuring state'; self.nsm.nsrs dict
+            # is already empty when self.nsm.nsrs[nsrid].set_config_status gets executed. So adding a check here.
+            if nsrid in self.nsm.nsrs:
+                yield from self.nsm.nsrs[nsrid].set_config_status(new_status, cm_nsr.get('state_details'))
 
         except Exception as e:
             self._log.error("Failed to process cm-state for nsr {}: {}".
diff --git a/rwlaunchpad/plugins/rwnsm/rift/tasklets/rwnsmtasklet/rwnsmtasklet.py b/rwlaunchpad/plugins/rwnsm/rift/tasklets/rwnsmtasklet/rwnsmtasklet.py
index cf03857..62d06f9 100755
--- a/rwlaunchpad/plugins/rwnsm/rift/tasklets/rwnsmtasklet/rwnsmtasklet.py
+++ b/rwlaunchpad/plugins/rwnsm/rift/tasklets/rwnsmtasklet/rwnsmtasklet.py
@@ -460,6 +460,7 @@
 
 class VirtualLinkRecord(object):
     """ Virtual Link Records class"""
+    XPATH = "D,/vlr:vlr-catalog/vlr:vlr"
     @staticmethod
     @asyncio.coroutine
     def create_record(dts, log, loop, nsr_name, vld_msg, cloud_account_name, om_datacenter, ip_profile, nsr_id, restart_mode=False):
@@ -515,6 +516,7 @@
         self._vlr_id = str(uuid.uuid4())
         self._state = VlRecordState.INIT
         self._prev_state = None
+        self._create_time = int(time.time())
 
     @property
     def xpath(self):
@@ -608,6 +610,7 @@
                     "nsr_id_ref": self._nsr_id,
                     "vld_ref": self.vld_msg.id,
                     "name": self.name,
+                    "create_time": self._create_time,
                     "cloud_account": self.cloud_account_name,
                     "om_datacenter": self.om_datacenter_name,
                     }
@@ -645,7 +648,6 @@
     @asyncio.coroutine
     def instantiate(self):
         """ Instantiate this VL """
-
         self._log.debug("Instaniating VLR key %s, vld %s",
                         self.xpath, self._vld_msg)
         vlr = None
@@ -1231,7 +1233,8 @@
     """ Network service record """
     XPATH = "D,/nsr:ns-instance-opdata/nsr:nsr"
 
-    def __init__(self, dts, log, loop, nsm, nsm_plugin, nsr_cfg_msg, sdn_account_name, key_pairs, restart_mode=False):
+    def __init__(self, dts, log, loop, nsm, nsm_plugin, nsr_cfg_msg, sdn_account_name, key_pairs, restart_mode=False,
+                 vlr_handler=None):
         self._dts = dts
         self._log = log
         self._loop = loop
@@ -1239,6 +1242,7 @@
         self._nsr_cfg_msg = nsr_cfg_msg
         self._nsm_plugin = nsm_plugin
         self._sdn_account_name = sdn_account_name
+        self._vlr_handler = vlr_handler
 
         self._nsd = None
         self._nsr_msg = None
@@ -1452,6 +1456,18 @@
         for vlr in self._vlrs:
             yield from self.nsm_plugin.instantiate_vl(self, vlr)
             vlr.state = VlRecordState.ACTIVE
+            self._loop.create_task(self.vlr_uptime_update(vlr))
+
+
+    def vlr_uptime_update(self, vlr):
+        vlr_ = RwVlrYang.YangData_Vlr_VlrCatalog_Vlr.from_dict({'id': vlr.id})
+        while True:
+            if vlr.state not in [VlRecordState.INIT, VlRecordState.INSTANTIATION_PENDING, VlRecordState.ACTIVE]:
+                return
+            vlr_.uptime = int(time.time()) - vlr._create_time
+            yield from self._vlr_handler.update(None, VirtualLinkRecord.vlr_xpath(vlr), vlr_)
+            yield from asyncio.sleep(2, loop=self._loop)
+
 
     @asyncio.coroutine
     def create(self, config_xact):
@@ -2472,6 +2488,7 @@
         nsr.config_status = self.map_config_status()
         nsr.config_status_details = self._config_status_details
         nsr.create_time = self._create_time
+        nsr.uptime = int(time.time()) - self._create_time
 
         for cfg_prim in self.nsd_msg.service_primitive:
             cfg_prim = NsrYang.YangData_Nsr_NsInstanceOpdata_Nsr_ServicePrimitive.from_dict(
@@ -3835,7 +3852,8 @@
                                    nsr_msg,
                                    sdn_account_name,
                                    key_pairs,
-                                   restart_mode=restart_mode
+                                   restart_mode=restart_mode,
+                                   vlr_handler=self._ro_plugin_selector._records_publisher._vlr_pub_hdlr
                                    )
         self._nsrs[nsr_msg.id] = nsr
         nsm_plugin.create_nsr(nsr_msg, nsr_msg.nsd, key_pairs)
diff --git a/rwlaunchpad/plugins/rwvnfm/rift/tasklets/rwvnfmtasklet/rwvnfmtasklet.py b/rwlaunchpad/plugins/rwvnfm/rift/tasklets/rwvnfmtasklet/rwvnfmtasklet.py
index 2c6c102..1a89681 100755
--- a/rwlaunchpad/plugins/rwvnfm/rift/tasklets/rwvnfmtasklet/rwvnfmtasklet.py
+++ b/rwlaunchpad/plugins/rwvnfm/rift/tasklets/rwvnfmtasklet/rwvnfmtasklet.py
@@ -1227,6 +1227,7 @@
         vnfr_dict.update(vnfd_copy_dict)
 
         vnfr_msg = RwVnfrYang.YangData_Vnfr_VnfrCatalog_Vnfr.from_dict(vnfr_dict)
+        vnfr_msg.uptime = int(time.time()) - self._create_time
         vnfr_msg.mgmt_interface = mgmt_intf
 
         # Add all the VLRs  to  VNFR
@@ -1760,6 +1761,10 @@
 
         self._log.debug("VNFR-ID %s: Instantiation Done", self._vnfr_id)
 
+        # create task updating uptime for this vnfr
+        self._log.debug("VNFR-ID %s: Starting task to update uptime", self._vnfr_id)
+        self._loop.create_task(self.vnfr_uptime_update(xact))
+
     @asyncio.coroutine
     def terminate(self, xact):
         """ Terminate this virtual network function """
@@ -1797,6 +1802,19 @@
         self._log.debug("Terminated  VNF id %s", self.vnfr_id)
         self.set_state(VirtualNetworkFunctionRecordState.TERMINATED)
 
+    @asyncio.coroutine
+    def vnfr_uptime_update(self, xact):
+        while True:
+            # Return when vnfr state is FAILED or TERMINATED etc
+            if self._state not in [VirtualNetworkFunctionRecordState.INIT,
+                                   VirtualNetworkFunctionRecordState.VL_INIT_PHASE,
+                                   VirtualNetworkFunctionRecordState.VM_INIT_PHASE,
+                                   VirtualNetworkFunctionRecordState.READY]:
+                return
+            yield from self.publish(xact)
+            yield from asyncio.sleep(2, loop=self._loop)
+
+
 
 class VnfdDtsHandler(object):
     """ DTS handler for VNFD config changes """