I just installed Windows 2003 Server on  dell poweredge2500. When I try to reboot it, it gives me an error that the

Problem detected and windows shut down to prevent damage to your computer

 

Unmountable-boot-volume

stop: 0x00000ED

(0x8617E508, 0xC000014F, 0x00000000, 0x00000000)

 

What could be the cause of the problem

Thanks