I'm having a problem with multicasting Dell Optiplex 755. I downloaded the ZDM7SP1_IR3a_IMG_Resource from Novell and ran the Wizard to extract all files. This resulted in a folder with the bootcd.iso, an initird and a linux and a root file. I double-clicked on the bootcd.iso which created a boot CD using Roxio; however, when I boot the PC with the boot CD it ultimately ends up at a 'Main Menu' and the option to 'Start Installation or System' is highlighted, instead of going to the bash prompt. Are there any changes that need to be made to the boot CD.iso before burning the CD?

Appreciate any assistance. Thanks.