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Modify the headless options of the BIOS on a Hyper-V Virtual Machine

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Hi everyone,

I am attempting to do something which is (surprisingly) complex using a Hyper-V virtual machine.  Using VMware Workstation I have been able to boot from the network using VMware autodeploy.  This loads ESXi 5.5 as the operating system.  This works great, but I would like to try to accomplish he same feat using Hyper-V, and I've succeeded.  This creates is a nested ESXi 5.5 host.

The process was long and painful, but I have gotten to the point that I am able to successfully boot a Hyper-V virtual machine off the network (legacy network card as the boot device) then load the OS.  The only problem is that in order to get it to boot I need to hit shift + o during the ESXi boot startup, and enter the following line:

ignoreHeadless=TRUE

The problem is that I can't do this manually every time.  To understand how to fix this, I first needed to understand what exactly "ignoreHeadless=TRUE" was doing.  My understanding is that this has to do with the display, specifically:

"Some systems which have a video display device can be configured to report themselves as headless via the configuration, usually in the system BIOS."

I believe this is my issue, by default a Windows Hyper-V virtual machine reports itself as headless, therefore you need to ignore this configuration on startup or ESXi thinks there is a display error. 

My question is, can I fix this from the virtual machine side?  Can I modify the virtual machine so that it does NOT report itself as headless? 


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