Thanks for the response. Under closer inspection, the serialize calls are never made for either the derived classes or the base class when using a base class pointer. This is the xml output after save_derived is called:<br>
<br>&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;yes&quot; ?&gt;<br>&lt;!DOCTYPE boost_serialization&gt;<br>&lt;boost_serialization signature=&quot;serialization::archive&quot; version=&quot;5&quot;&gt;<br>
&lt;rd1 class_id=&quot;0&quot; tracking_level=&quot;1&quot; version=&quot;0&quot; object_id=&quot;_0&quot;&gt;<br>&nbsp;&nbsp;&nbsp; &lt;polymorphic_base class_id=&quot;1&quot; tracking_level=&quot;0&quot; version=&quot;0&quot;&gt;&lt;/polymorphic_base&gt;<br>
&lt;/rd1&gt;<br>&lt;rd2 class_id=&quot;2&quot; tracking_level=&quot;1&quot; version=&quot;0&quot; object_id=&quot;_1&quot;&gt;<br>&nbsp;&nbsp;&nbsp; &lt;polymorphic_base&gt;&lt;/polymorphic_base&gt;<br>&lt;/rd2&gt;<br>&lt;rb1 class_id_reference=&quot;0&quot; object_id_reference=&quot;_0&quot;&gt;&lt;/rb1&gt;<br>
&lt;rb2 class_id_reference=&quot;2&quot; object_id_reference=&quot;_1&quot;&gt;&lt;/rb2&gt;<br>&lt;/boost_serialization&gt;<br><br>I am not sure where rb1 and rb2 tags come from since the serialize functions never get called. load_derived also does not call the serialize functions when using the base class pointers. I have attached the code I am using. It&#39;s identical to test_no_rtti.cpp except for two items. I do not have test_tools.hpp so I commented corresponding functions out and switched to std::ofstream/std::ifstream and xml_oarchive/xml_iarchive. Also, my target is a win32 console application. Please let me know if you have any ideas.<br>
Thanks,<br>Daniel Roberts<br>