Hello, I implementing client-server application. Data sent between sites are serialized using boost-serialization as text archive. Unfortunately very often both client and server work on different operating systems and may be compiled with different boost versions :- ( I noticed that when boost-library versions are different on server and client, then archive_exception is thrown with message ""unsupported version". Is there a way to force serialization library to be compatible with older versions, e.g. by calling: archive.set_library_version() ? Regards, Mariusz Wojtysiak