![]() Now you should be able to press F12 and PXE will run in legacy mode. You should now be in Legacy mode and able to PXE boot from legacy. Select Boot Mode, hit enter to get rid of warning messageĬhange Boot Mode to Legacy BIOS Mode and then reboot server for changes to take effect. Verify only one NIC is enabled then hit esc to back out to BIOS platform Power on the server and Select F9 on boot up to get to the BIOS. In this post we will cover how to change the settings in the BIOS from UEFI to Legacy. Note: In this particular instance this was needed for Windows but if you are installing Linux (RHEL, CentOS, etc.) you will need to enable Legacy mode as only the latest releases will support UEFI. ![]() In our current environment this is not an option due to the support for older hardware and OS’s, so a work around was needed. This was due to the UEFI boot settings being enabled on the servers and our PXE boot WIM was not UEFI aware. The strange thing is that this worked ok just a few days ago, when the windows server2008r2 was installed. I only got one disk so i cant disconnect that one. i can see inn the bios boot messages that the usb is loaded ok. Recently received a new batch of HP Proliant Gen9 servers and ran into an issue in being able to build the servers using Microsoft SCCM and PXE Boot. yes the same usb boots ok from my hp workstation. How To change BIOS from UEFI to Legacy on HP GEN9 servers Now one can boot the server (ProLiant ML/DL/SL/BL) using this USB key. Start HP USB Key Utility for Windows installation and click Install. Preparing a bootable USB key with the Firmware Maintenance DVD. HP ProLiant Servers - Preparing a Bootable USB Key with the Firmware Maintenance DVD. ![]()
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January 2023
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