Question. In vSphere 4.1 there’s a limit of 8 virtual cores per guest. If the host has 24 cores available – and I have only one other Virtual Machine(VM) using 8 virtual cores – how can I utilise the remaining 8 cores?. Host – 24 cores VM1 – 8 Cores VM2 - 8 cores Answer 8 virtual cores means you’ll never have more than 8 threads executing in parallel on the VM. vSphere uses a queue structure for CPU resources, dispatching work to processors as required. Once the work is processed , it’s reassembled and returned to the vCPU. ESX... Read more →