diff --git a/common/structlog_setup.py b/common/structlog_setup.py
index 6a149c0..be04ded 100644
--- a/common/structlog_setup.py
+++ b/common/structlog_setup.py
@@ -111,3 +111,38 @@
     log = structlog.get_logger()
     log.info("first-line")
     return log
+
+
+def update_logging(instance_id, vcore_id):
+    """
+    Add the vcore id to the structured logger
+    :param vcore_id:  The assigned vcore id
+    :return: structure logger
+    """
+    def add_exc_info_flag_for_exception(_, name, event_dict):
+        if name == 'exception':
+            event_dict['exc_info'] = True
+        return event_dict
+
+    def add_instance_id(_, __, event_dict):
+        event_dict['instance_id'] = instance_id
+        return event_dict
+
+    def add_vcore_id(_, __, event_dict):
+        event_dict['vcore_id'] = vcore_id
+        return event_dict
+
+    processors = [
+        add_exc_info_flag_for_exception,
+        structlog.processors.StackInfoRenderer(),
+        structlog.processors.format_exc_info,
+        add_instance_id,
+        add_vcore_id,
+        FluentRenderer(),
+    ]
+    structlog.configure(processors=processors)
+
+    # Mark first line of log
+    log = structlog.get_logger()
+    log.info("updated-logger")
+    return log
diff --git a/voltha/core/core.py b/voltha/core/core.py
index ab8b157..1b01f62 100644
--- a/voltha/core/core.py
+++ b/voltha/core/core.py
@@ -97,6 +97,11 @@
         log.info('started')
         returnValue(self)
 
+    @inlineCallbacks
+    def register_grpc_service(self):
+        yield self.local_handler.register_grpc_service()
+        yield self.global_handler.register_grpc_service()
+
     def stop(self):
         log.debug('stopping')
         self.stopped = True
diff --git a/voltha/core/global_handler.py b/voltha/core/global_handler.py
index 56604a5..ac5c3aa 100644
--- a/voltha/core/global_handler.py
+++ b/voltha/core/global_handler.py
@@ -101,11 +101,15 @@
     def start(self):
         log.debug('starting')
         self.root = ConfigRoot(Voltha(**self.init_kw))
-        registry('grpc_server').register(
-            add_VolthaGlobalServiceServicer_to_server, self)
         log.info('started')
         return self
 
+    def register_grpc_service(self):
+        log.debug('registering')
+        registry('grpc_server').register(
+            add_VolthaGlobalServiceServicer_to_server, self)
+        log.info('registered')
+
     def stop(self):
         log.debug('stopping')
         self.stopped = True
diff --git a/voltha/core/local_handler.py b/voltha/core/local_handler.py
index c598911..7676fab 100644
--- a/voltha/core/local_handler.py
+++ b/voltha/core/local_handler.py
@@ -82,12 +82,16 @@
 
         self.core.xpon_handler.start(self.root)
 
-        registry('grpc_server').register(
-            add_VolthaLocalServiceServicer_to_server, self)
-
         log.info('started')
         return self
 
+    def register_grpc_service(self):
+        log.debug('registering')
+        registry('grpc_server').register(
+            add_VolthaLocalServiceServicer_to_server, self)
+        log.info('registered')
+
+
     def stop(self):
         log.debug('stopping')
         self.stopped = True
diff --git a/voltha/main.py b/voltha/main.py
index c5cb300..27b29f9 100755
--- a/voltha/main.py
+++ b/voltha/main.py
@@ -30,7 +30,7 @@
 
 from common.event_bus import EventBusClient
 from common.manhole import Manhole
-from common.structlog_setup import setup_logging
+from common.structlog_setup import setup_logging, update_logging
 from common.utils.dockerhelpers import get_my_containers_name
 from common.utils.nethelpers import get_my_primary_interface, \
     get_my_primary_local_ipv4
@@ -344,6 +344,9 @@
 
             self.log.info('store-id', core_store_id=self.core_store_id)
 
+            # Update the logger to output the vcore id.
+            self.log = update_logging(instance_id=self.instance_id, vcore_id=self.core_store_id)
+
             yield registry.register(
                 'grpc_server',
                 VolthaGrpcServer(self.args.grpc_port)
@@ -398,6 +401,11 @@
 
             yield registry('core').reconcile_data()
 
+            # Now that the data is in memory and the reconcile process
+            # within the core has completed (the reconciliation may still be
+            #  in progress with the adapters) we expose the NBI of voltha core
+            yield registry('core').register_grpc_service()
+
             self.log.info('started-internal-services')
 
         except Exception as e: