We recently bought 20ish new devices for our organization (HP EliteDesk 705 minis). On these devices, we've noticed a problem. When the computer is set to network boot, the process will hang after getting to the step "Contacting Novell Preboot Policy Service...Done".

Before the hang, we're able to get into the Imaging menu with control+alt. The image itself will deploy fine. If we leave the ethernet unplugged, it will progress normally to the HD after failing network boot. It's also worth pointing out we have 600ish varying other models of computers in our org, and this is the first model we've run across this problem with. Anyone have any ideas? I ran across a few support articles but they all seemed to be for older versions (we are on 11.4.1).