Why does PXE boot with grub2 and UEFI fails with error "File not found" ?

Solution Verified - Updated -


Installation of UEFI system using PXE boot with grub2 bootloader grubx64.efi fails with error File not found.

error: ../../grub-core/net/tftp.c:281:File not found.
error: ../../grub-core/loader/i386/efi/linux.c:93:you need to load the kernel first.

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