I made all the configurations and recreated the iso file using Ultraiso as you suggested.
Now the iso is bootable and Kon-Boot is included in SARDU utility list.
Testing it in Qemu virtual machine when i press to run Kon-Boot i have got the message
in the following image.
http://s9.postimage.org/4f93lag1b/Iso_result.jpg
Am i doing something wrong?