Index: ORB_Core.cpp
===================================================================
--- ORB_Core.cpp	(revision 85444)
+++ ORB_Core.cpp	(working copy)
@@ -294,6 +294,7 @@
   ACE_NEW (this->request_dispatcher_,
            TAO_Request_Dispatcher);
 
+  this->set_sync_scope_hook (TAO_ORB_Core::default_sync_scope_hook);
 }
 
 TAO_ORB_Core::~TAO_ORB_Core (void)
@@ -2925,6 +2926,16 @@
 }
 
 void
+TAO_ORB_Core::default_sync_scope_hook (TAO_ORB_Core *,
+                                       TAO_Stub *,
+                                       bool &has_synchronization,
+                                       Messaging::SyncScope &scope)
+{
+  has_synchronization = true;
+  scope = Messaging::SYNC_WITH_TRANSPORT;
+}
+
+void
 TAO_ORB_Core::call_sync_scope_hook (TAO_Stub *stub,
                                     bool &has_synchronization,
                                     Messaging::SyncScope &scope)
Index: Messaging/Messaging_Policy_i.cpp
===================================================================
--- Messaging/Messaging_Policy_i.cpp	(revision 85444)
+++ Messaging/Messaging_Policy_i.cpp	(working copy)
@@ -235,7 +235,8 @@
 
       if (CORBA::is_nil (policy.in ()))
         {
-          has_synchronization = false;
+          has_synchronization = true;
+          scope = Messaging::SYNC_WITH_TRANSPORT;
           return;
         }
       Messaging::SyncScopePolicy_var p =
Index: ORB_Core.h
===================================================================
--- ORB_Core.h	(revision 85444)
+++ ORB_Core.h	(working copy)
@@ -537,6 +537,12 @@
 
   void set_sync_scope_hook (Sync_Scope_Hook hook);
 
+  /// Default Sync_Scope_Hook.
+  static void default_sync_scope_hook (TAO_ORB_Core *,
+                                       TAO_Stub *,
+                                       bool &has_synchronization,
+                                       Messaging::SyncScope &scope);
+
   /// Handle to the factory for protocols_hooks_..
   TAO_Protocols_Hooks *protocols_hooks_;