full wds images no boot

Good morning group and excuse my English.

I've a Windows Server 2003 R2 Enterprise Edition SP2 with WDS. I've a basic
image of Windows XP SP2 prepared that works perfectly. As we have different
computers in my company we want to have a complete image (updated Windows XP,
Office 2007, ISA Client and other ) for them. I prepare a Dell OptiPlex GX270
and I create the image on the server by WDS "riprep." The image is created
without incident.
If I boot this prepared computer the OS starts without problems and
continued with the instalation of the OS.
But here start my problem, if I started on the same computer through the NIC
and charge the image from the WDS server the image is copied without incident
in the computer, but after reboot the computer presents a few seconds the
Windows boot and reset.

Clearly, something is not working well on the image created with riprep but
looking at this forum and google I not found the solution.