We don’t have to do this so often. So when we do I always forget the syntax. Login as root on the host of the guest OS. Find the numeric VMID of the guest and issue a power off/on command.
# vim-cmd vmsvc/getallvms | grep -i "[GUESTNAME]"
Vmid Name File Guest OS Version Annotation
114 PaymentsTest [Datastore-1] PaymentsTest/PaymentsTest.vmx windows8Server64Guest vmx-10
# vim-cmd vmsvc/power.getstate 114
Retrieved runtime info
Powered on
# vim-cmd vmsvc/power.off 114
Powering off VM:
# vim-cmd vmsvc/power.getstate 114
Retrieved runtime info
Powered off
# vim-cmd vmsvc/power.on 114
Powering on VM:
References: https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1038043