try{

        StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();

        StrictMode.setThreadPolicy(policy);


        String user = "username";
        String pass ="password";


        //Archivo a Copiar
        String urlconvert  = "smb://IP/Compartido/test12.txt";
        NtlmPasswordAuthentication auth = new NtlmPasswordAuthentication(
                "DOMINIO.COM", user, pass);

       SmbFile sFile = new SmbFile(urlconvert, auth);

        //Destino
        String sharedFolder2="Test";
        String url = "smb://IP/" + sharedFolder2 + "/";

        SmbFile sDes = new SmbFile(url,auth);
        sFile.copyTo(sDes);
}