Unable to boot via legacy PXE on a NUC5CPYH with BIOS version 0078

[DWalk20]

Legacy Boot is selected for Network Boot in Boot Configuration and I've disabled UEFI booting in Boot Priority. Under Legacy Boot Priority it says "No Boot Drive" and when I try and boot from the network it simply reports "A bootable drive has not been detected." without displaying any indication there was an attempt to boot via PXE.

[AndrewG_Intel]

Hello DWalk20

Thank you for posting on the Intel® communities.

In order to understand better this behavior, could you please provide the following details?

1- Did legacy PXE boot work fine before with this Intel® NUC and configuration? If yes, was there any hardware, software or BIOS changes (BIOS updates for instance).

2- Does the LAN port LEDs lid up that indicates there is a connection through the network?

3- Could you please elaborate more regarding the detailed steps on how you are trying to achieve the PXE boot process. You may also provide screenshots or a short video to illustrate this.

Note: To attach a file, you must click the “Attach” option on the bottom left-hand corner of the response box.

Regards,

Andrew G.

Intel Customer Support Technician

A Contingent Worker at Intel

[DWalk20]

Thank you for your reply Andrew.

1. Unfortunately no, it has never worked with this unit. We have booted other NUCs of the same model from this PXE setup, though I believe they had earlier BIOS versions, the most recent being 0077. Unfortunately we no longer have any of those NUCs as they have been sent to another physical location for deployment. I did however try downgrading this NUC to the 0077 BIOS with no success. I am also able to successfully boot other PCs from this PXE setup with no problems.
2. Yes, the LAN lights illuminate on both the the NUC and the network switch, I have also tried connecting the NUC to a different port using different cables just in case.
3. I was unable to get the BIOS's screenshot function to work, but I've attached a ZIP file with photos of the various boot settings and a video of the NUC's display as it tries to boot.

[AndrewG_Intel]

Hello DWalk20

Thank you for your response and the information provided.

Please allow us to look into this behavior and as soon as we have more details we will be posting back in this thread.

Regards,

Andrew G.

Intel Customer Support Technician

A Contingent Worker at Intel

[DWalk20]

No worries Andrew, thank you for your time.

Re-reading my last reply I just wanted to clarify one point. I was able successfully downgrade the NUC's BIOS to version 0077, but it was still unable to boot via PXE. As far as I could tell all behavior remained the same as when it was running 0078.

[AndrewG_Intel]

Hello DWalk20

Thank you for your response and the update.

Please make sure that any setting from the Server side is properly configured, for instance, if the Intel® NUC MAC address needs to be included in a whitelist. Also, set in the server that the DHCP offer also delivers the PXE boot options to the Intel® NUC.

I noticed Boot Network Devices Last is disabled and Network Boot is set to Legacy PXE. Besides those settings, have you tried to check "Display F12 for Network Boot" under Boot Configuration >> Boot Display Config?

Additionally, I am sending you a private message with more details regarding the behavior. Please let us know if you have additional inquiries.

Regards,

Andrew G.

Intel Customer Support Technician

A Contingent Worker at Intel

[AndrewG_Intel]

Hello DWalk20

Thank you for letting us know via private message that the issue is solved and we are glad to know that the Intel® NUC is able to boot from the PXE Server.

We are proceeding to close this inquiry but if you need assistance in the future please feel free to create a new thread.

Best Regards

Andrew G.

Intel Customer Support Technician

A Contingent Worker at Intel

Note: In case other community members are experiencing this same issue with the Intel® NUC Kit NUC5CPYH feel free to contact Intel® Customer Support directly by phone, chat or web ticket using the below link, click on "Intel NUC" and you will be presented with the contact information:

https://www.intel.com/content/www/us/en/support/contact-support.html#@7

[Rus8810]

Hello.
We have the same problem on the same device, you can tell me how to solve it.