It took me a bit of time to get the new Cisco MSE VM up and running on my ESXi 5.0 box. I used the vSphere client from an XP64 vm to deploy the OVF template according to the video instructions posed by Cisco on YouTube.
But when the VM import was completed, I couldn't start the VM because the MSE OVA file is configured with 8 vCPUs. The error I received when trying to startup the MSE VM was