diff --git a/trove/guestagent/datastore/mysql/service.py b/trove/guestagent/datastore/mysql/service.py
index e85c76d013..824df53ab2 100644
--- a/trove/guestagent/datastore/mysql/service.py
+++ b/trove/guestagent/datastore/mysql/service.py
@@ -376,13 +376,20 @@ class MySqlAdmin(object):
     def grant_access(self, username, hostname, databases):
         """Grant a user permission to use a given database."""
         user = self._get_user(username, hostname)
+        mydb = models.ValidatedMySQLDatabase()
         with LocalSqlClient(get_engine()) as client:
             for database in databases:
-                g = sql_query.Grant(permissions='ALL', database=database,
-                                    user=user.name, host=user.host,
-                                    hashed=user.password)
-                t = text(str(g))
-                client.execute(t)
+                    try:
+                        mydb.name = database
+                    except ValueError:
+                        LOG.info(_(
+                            "Grant access to %s is not allowed") % database)
+
+                    g = sql_query.Grant(permissions='ALL', database=mydb.name,
+                                        user=user.name, host=user.host,
+                                        hashed=user.password)
+                    t = text(str(g))
+                    client.execute(t)
 
     def is_root_enabled(self):
         """Return True if root access is enabled; False otherwise."""
diff --git a/trove/tests/api/user_access.py b/trove/tests/api/user_access.py
index acbd3b94d4..fc9885794b 100644
--- a/trove/tests/api/user_access.py
+++ b/trove/tests/api/user_access.py
@@ -105,6 +105,12 @@ class UserAccessBase(object):
             access = [db.name for db in access]
             asserts.assert_equal(set(access), set(databases))
 
+    def _test_ignore_access(self, users, databases, expected_response=200):
+        databases = [d for d in databases if d not in ['lost+found',
+                                                       'mysql',
+                                                       'information_schema']]
+        self._test_access(users, databases, expected_response)
+
     def _reset_access(self):
         for user in self.users:
             for database in self.databases + self.ghostdbs:
@@ -277,6 +283,16 @@ class TestUserAccessPositive(UserAccessBase):
         self._grant_access_plural(self.users, self.databases)
         self._test_access(self.users, self.databases)
 
+    @test(depends_on=[test_no_access])
+    def test_grant_full_access_ignore_databases(self):
+        # The users are granted access to all test databases.
+        all_dbs = []
+        all_dbs.extend(self.databases)
+        all_dbs.extend(['lost+found', 'mysql', 'information_schema'])
+        self._reset_access()
+        self._grant_access_plural(self.users, self.databases)
+        self._test_ignore_access(self.users, self.databases)
+
     @test(depends_on=[test_grant_full_access])
     def test_grant_idempotence(self):
         # Grant operations can be repeated with no ill effects.
diff --git a/trove/tests/unittests/guestagent/test_manager.py b/trove/tests/unittests/guestagent/test_manager.py
index 2368bf98a6..dbd44566e5 100644
--- a/trove/tests/unittests/guestagent/test_manager.py
+++ b/trove/tests/unittests/guestagent/test_manager.py
@@ -85,6 +85,21 @@ class GuestAgentManagerTest(testtools.TestCase):
         self.manager.delete_user(self.context, user)
         verify(dbaas.MySqlAdmin).delete_user(user)
 
+    def test_grant_access(self):
+        username = "test_user"
+        hostname = "test_host"
+        databases = ["test_database"]
+        when(dbaas.MySqlAdmin).grant_access(username,
+                                            hostname,
+                                            databases).thenReturn(None)
+
+        self.manager.grant_access(self.context,
+                                  username,
+                                  hostname,
+                                  databases)
+
+        verify(dbaas.MySqlAdmin).grant_access(username, hostname, databases)
+
     def test_list_databases(self):
         when(dbaas.MySqlAdmin).list_databases(None, None,
                                               False).thenReturn(['database1'])