diff --git a/keystoneclient/client.py b/keystoneclient/client.py
index f017bc892..56fc4e7ec 100644
--- a/keystoneclient/client.py
+++ b/keystoneclient/client.py
@@ -428,8 +428,29 @@ class HTTPClient(object):
     def process_token(self):
         """Extract and process information from the new auth_ref.
 
+        And set the relevant authentication information.
         """
-        raise NotImplementedError
+        # if we got a response without a service catalog, set the local
+        # list of tenants for introspection, and leave to client user
+        # to determine what to do. Otherwise, load up the service catalog
+        if self.auth_ref.project_scoped:
+            if not self.auth_ref.tenant_id:
+                raise exceptions.AuthorizationFailure(
+                    "Token didn't provide tenant_id")
+            if self.management_url is None and self.auth_ref.management_url:
+                self.management_url = self.auth_ref.management_url[0]
+            self.project_name = self.auth_ref.tenant_name
+            self.project_id = self.auth_ref.tenant_id
+
+        if not self.auth_ref.user_id:
+            raise exceptions.AuthorizationFailure(
+                "Token didn't provide user_id")
+
+        self.user_id = self.auth_ref.user_id
+
+        self.auth_domain_id = self.auth_ref.domain_id
+        self.auth_tenant_id = self.auth_ref.tenant_id
+        self.auth_user_id = self.auth_ref.user_id
 
     def get_raw_token_from_identity_service(self, auth_url, username=None,
                                             password=None, tenant_name=None,
diff --git a/keystoneclient/v2_0/client.py b/keystoneclient/v2_0/client.py
index 956a103fb..b3292e29b 100644
--- a/keystoneclient/v2_0/client.py
+++ b/keystoneclient/v2_0/client.py
@@ -138,33 +138,6 @@ class Client(client.HTTPClient):
         if self.management_url is None:
             self.authenticate()
 
-    def process_token(self):
-        """Extract and process information from the new auth_ref.
-
-        And set the relevant authentication information.
-        """
-        # if we got a response without a service catalog, set the local
-        # list of tenants for introspection, and leave to client user
-        # to determine what to do. Otherwise, load up the service catalog
-        if self.auth_ref.project_scoped:
-            if not self.auth_ref.tenant_id:
-                raise exceptions.AuthorizationFailure(
-                    "Token didn't provide tenant_id")
-            if self.management_url is None and self.auth_ref.management_url:
-                self.management_url = self.auth_ref.management_url[0]
-            self.project_name = self.auth_ref.tenant_name
-            self.project_id = self.auth_ref.tenant_id
-
-        if not self.auth_ref.user_id:
-            raise exceptions.AuthorizationFailure(
-                "Token didn't provide user_id")
-
-        self.user_id = self.auth_ref.user_id
-
-        self.auth_domain_id = self.auth_ref.domain_id
-        self.auth_tenant_id = self.auth_ref.tenant_id
-        self.auth_user_id = self.auth_ref.user_id
-
     def get_raw_token_from_identity_service(self, auth_url, username=None,
                                             password=None, tenant_name=None,
                                             tenant_id=None, token=None,
diff --git a/keystoneclient/v3/client.py b/keystoneclient/v3/client.py
index 971e67db8..b4c31c6be 100644
--- a/keystoneclient/v3/client.py
+++ b/keystoneclient/v3/client.py
@@ -16,7 +16,7 @@ import json
 import logging
 
 from keystoneclient import exceptions
-from keystoneclient.v2_0 import client
+from keystoneclient import client
 from keystoneclient.v3 import credentials
 from keystoneclient.v3 import domains
 from keystoneclient.v3 import endpoints
@@ -31,7 +31,7 @@ from keystoneclient.v3 import users
 _logger = logging.getLogger(__name__)
 
 
-class Client(client.Client):
+class Client(client.HTTPClient):
     """Client for the OpenStack Identity API v3.
 
     :param string user_id: User ID for authentication. (optional)
@@ -98,6 +98,9 @@ class Client(client.Client):
         self.services = services.ServiceManager(self)
         self.users = users.UserManager(self)
 
+        if self.management_url is None:
+            self.authenticate()
+
     def serialize(self, entity):
         return json.dumps(entity, sort_keys=True)