Enabling Nested Virtualization on Citrix XenServer

Create a VM

Go through the normal process of creating or cloning a VM. Make sure the virtual machine is in a powered off state


Edit Settings to Allow Nested Virtualization

Locate the UUID of the system, if you know the name of the box this is fairly straightforward:

xe vm-list name-label=<server name>

Once you have located the system you will be able to use the system’s UUID

xe vm-param-set UUID=<UUID> platform:exp-nested-hvm=true


Check CPU Info on Guest

Now that you have created a guest VM and enabled nested virtualization you will want to check that the CPU has the vmx (Intel) or svm (AMD) flag

cat /proc/cpuinfo

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