Are we still limited to 1 vcpu on a FT VM?
As of today - yes.
As per vSphere 5.5
Fault Tolerance maximums
Virtual disks 16
Virtual CPUs per virtual machine 1
RAM per FT VM 64GB
Virtual machines per host 4
Here is a snippet from the latest official VMware document just in case if you need. See the second last point.
Regards,
Yes its limited to 1 vCPU, check FT FAQ for more information VMware KB: VMware Fault Tolerance FAQ