@george1421 Thanks a lot. It was the router that has dhcp and i just turned off the dhcp it work well thanks a lot

@george1421 Thanks a lot. It was the router that has dhcp and i just turned off the dhcp it work well thanks a lot

@george1421 The computer is plug to a d-link dir-120 so it’s a router i’m going to see if there is any dhcp and i come back to you thanks to you for taking time to respond me

Hello everyone

I’m currently in a internship for a resource center. So in the resource center we have many different computer and I have set up fog with different image (debian 11, windows 10 32bits and 64bits). So fog work on some computer and i can boot on the fog menu and some won’t boot on the menu and show me error
pxe-E78 : Could not locate boot server
pxe-M0F : Exiting PXE ROM

here is my setting for dnsmasq

/etc/dnsmasq.d/ltsp.conf:

# Don't function as a DNS server:
port=0

# Log lots of extra information about DHCP transactions.
log-dhcp

# Set the root directory for files available via FTP.
tftp-root=/tftpboot

# The boot filename, Server name, Server Ip Address
dhcp-boot=undionly.kpxe,,192.168.1.250

# Disable re-use of the DHCP servername and filename fields as extra
# option space. That's to avoid confusing some old or broken DHCP clients.
dhcp-no-override

# inspect the vendor class string and match the text to set the tag
dhcp-vendorclass=BIOS,PXEClient:Arch:00000
dhcp-vendorclass=UEFI32,PXEClient:Arch:00006
dhcp-vendorclass=UEFI,PXEClient:Arch:00007
dhcp-vendorclass=UEFI64,PXEClient:Arch:00009

# Set the boot file name based on the matching tag from the vendor class (above)
dhcp-boot=net:UEFI32,i386-efi/ipxe.efi,,192.168.1.250
dhcp-boot=net:UEFI,ipxe.efi,,192.168.1.250
dhcp-boot=net:UEFI64,ipxe.efi,,192.168.1.250

# PXE menu.  The first part is the text displayed to the user.  The second is the timeout, in seconds.
pxe-prompt="Booting FOG Client", 1

# The known types are x86PC, PC98, IA64_EFI, Alpha, Arc_x86,
# Intel_Lean_Client, IA32_EFI, BC_EFI, Xscale_EFI and X86-64_EFI
# This option is first and will be the default if there is no input from the user.
pxe-service=X86PC, "Boot to FOG", undionly.kpxe
pxe-service=X86-64_EFI, "Boot to FOG UEFI", ipxe.efi
pxe-service=BC_EFI, "Boot to FOG UEFI PXE-BC", ipxe.efi

dhcp-range=192.168.1.250,proxy

picture of the error https://ibb.co/kxpwNmL