diff --git a/ironic/db/api.py b/ironic/db/api.py
index c0fd52c5978..09f349a9217 100644
--- a/ironic/db/api.py
+++ b/ironic/db/api.py
@@ -143,6 +143,7 @@ class Connection(object):
                          'properties': { ... },
                          'extra': { ... },
                         }
+        :raises: InvalidParameterValue if create a node with tags.
         :returns: A node.
         """
 
diff --git a/ironic/db/sqlalchemy/api.py b/ironic/db/sqlalchemy/api.py
index 2c380fc359e..8f8d9aa6c1d 100644
--- a/ironic/db/sqlalchemy/api.py
+++ b/ironic/db/sqlalchemy/api.py
@@ -298,11 +298,8 @@ class Connection(api.Connection):
 
         # TODO(zhenguo): Support creating node with tags
         if 'tags' in values:
-            LOG.warning(
-                _LW('Ignore the specified tags %(tags)s when creating node: '
-                    '%(node)s.'), {'tags': values['tags'],
-                                   'node': values['uuid']})
-            del values['tags']
+            msg = _("Cannot create node with tags.")
+            raise exception.InvalidParameterValue(err=msg)
 
         node = models.Node()
         node.update(values)
diff --git a/ironic/tests/unit/db/test_nodes.py b/ironic/tests/unit/db/test_nodes.py
index 3852f7bf6aa..ddac51db021 100644
--- a/ironic/tests/unit/db/test_nodes.py
+++ b/ironic/tests/unit/db/test_nodes.py
@@ -24,7 +24,6 @@ import six
 
 from ironic.common import exception
 from ironic.common import states
-from ironic.db.sqlalchemy import api
 from ironic.tests.unit.db import base
 from ironic.tests.unit.db import utils
 
@@ -34,10 +33,10 @@ class DbNodeTestCase(base.DbTestCase):
     def test_create_node(self):
         utils.create_test_node()
 
-    @mock.patch.object(api.LOG, 'warning', autospec=True)
-    def test_create_node_with_tags(self, mock_log):
-        utils.create_test_node(tags=['tag1', 'tag2'])
-        self.assertTrue(mock_log.called)
+    def test_create_node_with_tags(self):
+        self.assertRaises(exception.InvalidParameterValue,
+                          utils.create_test_node,
+                          tags=['tag1', 'tag2'])
 
     def test_create_node_already_exists(self):
         utils.create_test_node()
diff --git a/ironic/tests/unit/db/utils.py b/ironic/tests/unit/db/utils.py
index 5d57bf2c0ef..3f993a974c1 100644
--- a/ironic/tests/unit/db/utils.py
+++ b/ironic/tests/unit/db/utils.py
@@ -242,6 +242,10 @@ def create_test_node(**kw):
     # Let DB generate ID if it isn't specified explicitly
     if 'id' not in kw:
         del node['id']
+    # Create node with tags will raise an exception. If tags are not
+    # specified explicitly just delete it.
+    if 'tags' not in kw:
+        del node['tags']
     dbapi = db_api.get_instance()
     return dbapi.create_node(node)