Hung VM or VM fails to power on with swap file errors

1. Login to each ESX host (via Putty or similar app)
2. Run

   ps -efwww | grep vm_guest_name

   on each host to determine which host has the hung VM process.
3. If you get something like this: (This is the process that has your file open in ESX)
   
   root 1092 1 0 10:33 ? 00:00:00 /usr/lib/vmware/bin/vmkload_app /usr/lib/vmware/bin/vmware-vmx -ssched.group=host/user -# name=VMware ESX Server;version=3.5.0;licensename=VMware ESX Server;licenseversion=2.0 build-82663; -@ pipe=/tmp/vmhsdaemon-0/vmx6a6188c22e804baf; /vmfs/volumes/48729e6e-7cf3b2df-6ca0-001ec9b1b30a/vm_guest_name/vm_guest_name.vmx
   
   
4. Kill the process using: kill -9 pid, where pid is 1092 in example above.
5. You should be able to power on the VM now.