RickR> I test with atftpd. I have the same problem that you about the big file: atftpd log: atftpd[22533.-1209584992]: Advanced Trivial FTP server started (0.7) atftpd[22533.-1209586768]: Serving /tftpboot/startrom.com to 10.0.0.227:2070 atftpd[22533.-1218028624]: Serving /tftpboot/startrom.com to 10.0.0.227:2071 atftpd[22533.-1218028624]: Serving NTLDR to 10.0.0.227:2072 atftpd[22533.-1218028624]: Serving BOOTFONT.BIN to 10.0.0.227:45750 atftpd[22533.-1218028624]: Serving ntdetect.com to 10.0.0.227:45751 atftpd[22533.-1218028624]: Serving winnt.sif to 10.0.0.227:45752 atftpd[22533.-1209586768]: Serving PEBUILDER.ISO to 10.0.0.227:45753 atftpd[22533.-1209586768]: Requested file to big, increase BLKSIZE I mail the author, I think this is a bug (file over 90 MB) I try with tftpd-hpa, it works perfectly with a Bart's PE CD from 2003 server SP1-RC2. (the Bart's PE CD from WinXP-SP2 make a BSOD, I will try later on another PC) Now, I will test with with topic: http://www.msfn.org/board/index.php?showtopic=10181 to run the install automatically