# vmware -v
VMware ESX Server 3.5.0 build-110268
refer to http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1003490
service mgmt-vmware restart
service vmware-vpxa restart
after did the above, it works fine.
Here is a list of possible cases from vmware on this issue:
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1003409
I tried the following one, by disconnect and connect again, initially it seems it is going to work, after connecting to ESX host, but it failed after trying to start up the guest.
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1003480