The 'vMotion' checkbox is disabled on vmk0, so vMotion cannot be enabled on this vmkernel port.
Additional Symptoms Reported:
Customer wants to enable vMotion on vmk0 but it is grayed out.
vCenter 7.0.x
vCenter 8.0.x
Another vmkernel adapter is configured with vMotion TCP/IP stack, while vmk0 is configured with Default TCP/IP stack.
Remove the vmk which is configured with 'vMotion' TCP/IP stack.
Then vmk0 can be configured with 'vMotion' service.