My plan was to dual boot XP on my new machine, shipped with Vista. I read numerous guides, partitioned the hard drive and followed all instructions leading up to now install XP. My tech guy burned me a copy of his enterprise disc. I inserted it in the drive, hit the power and the drive began to spin but nothing happened? The setup.exe would not start. I put the disc in my old machine and it launches into the install screen. The same happens in the drive on the Vista machine but not from a cold boot. What happened? What's missing? What's wrong??

Boot up from the illegal disc & run your pirate installation from outside of Windows Vista. Jabbering Idiots: Everywhere You Look!

Upon review of my post I suppose it's possible I didn't make it clear. I'm attempting to install XP from a cold boot using the CD/DVD drive. The autorun will not start the setup.exe on the XP disc. The drive works properly from a cold boot with the recovery disc for Vista but it will not start the XP install. Your input is appreciated

Is this a pirated (illegal/criminal/immoral/unethical) xp disk? "Best Practices", Event viewer, host file, perfmon, antivirus, anti-spyware, Live CD's, backups, are in my top 10

Obtained from a legitimate business in the practice of sales, installation, maintenance and service of systems and equipment throughout the land

There's no point trying to defend the indefensible: We all know how the buddy system work. What you are engaging in is called casual piracy & it's been around forever. FYI: Enterprise Edition of Windows are typically licensed strictly to Volume License customers -- usually Corporate/Business clients -- for deployment on their many computers through the Software Assurance program. Even if your tech guy somehow got his hands on the OS in a non-frivolous manner, the fact that he's burned you a copy of his software/license violates M$'s license agreement. With that out of the way, I would suggest you ensure that your CD/DVD drive is configured as the primary boot device in the machine's BIOS. It needs to be setup that way in order to be able to boot from any bootable CD/DVD. Jabbering Idiots: Everywhere You Look!

Thank you Your attention to detail is noted