I am having problems PXE booting ESX VMs on 2017.3. This morning I had VMs that would not provision, they could not get an IP address for the template. I spent the morning working with various drivers and finally got that to work. Then I went to reload a couple more VMs that happened to be on VM version 8. Knowing that I have had previous lockup problems with Windows 10 on VM version 8, I opted to upgrade the hardware to currently available 11. Now when I try to PXE that newly upgraded system, I cannot load the boot.sdi file. It ends up crashing with the message that "A required device isn't connected or can't be accessed." I went through all the postings about changing the TFTP block size, but unless it takes time for that change to replicate, those options didn't help. At the moment, I am stuck in a pickle: Either stay on hardware version 8 which locks up machines randomly, or have machines that can't PXE. Assistance is greatly appreciated. Thanks.
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