iPXE.efi Chainloading failed

[kmdicks]

Recently replaced old 2008R2 DCs with 2012R2. Recreated DHCP scope options. Booting to iPXE now displays a chainloading failed error. The error is reproduced when the DHCP scope options are completely removed and using a iPXE USB boot. The iPXE USB boot has worked for months prior to the DHCP change. Can anyone point me in the right direction?

The device to be cloned is a E15 Lenovo laptop. The image to be deployed is a UEFI built/captured image that has been deployed a dozen times prior to the DHCP change.

Thanks,
Kevin