You can specify how the virtual CPUs of a virtual machine can share physical cores on a hyperthreaded system.

Two virtual CPUs share a core if they are running on logical CPUs of the core at the same time. You can set this for individual virtual machines.

1

Find the virtual machine in the vSphere Web Client inventory.

a

To find a virtual machine, select a datacenter, folder, cluster, resource pool, or host.

b

Click the Related Objects tab and click Virtual Machines.

2

Right-click the virtual machine and click Edit Settings.

3

In the Virtual Hardware tab, expand the CPU section.

4

Select a hyperthreading mode for this virtual machine from the HT Sharing drop-down menu.

5

Click OK.