I want install windows server 2003 ia64 edition via pxe. Here is my step: 1.PXE boot the target machine from bootmgfw.efi(I got this file from windows server 2008_IA64 neta3). ---successful 2.Boot the target machine to winpe via PXE. (I got the boot.wim from windows server 2008-IA64 beta3) ----successful 3. Mapping installation media (windows server 2003 ia64 edition) --- successful 4. run the command winnt32.exe /syspart:c: /tempdrive:c: /s:z:\media\en_ws_2003_ent_ia64\ia64 /unattend:z:\uafiles\win2k3sp1.txt /noreboot I got a "out of memory" error. ---failed 5. run the command winnt32.exe I still got the "out of memory" error ---failed 6. I check me machine's memory and ramdisk 2GB memory, and much of them is free. 64M ramdisk, and free 63M Anyone could help me? many many thanks!!!!