To register a virtual machine using VMware’s ESX and ESXi is a pretty straight forward process. You will use the vmware-cmd and vmware-cmd.pl respectively. On ESX, simply issues the vmware-cmd followed by the path to your vmx file and then the register verb. For example, if the path to the vmx were /VMs/XP/xp.vmx then you would use the following command to register that virtual machine to ESX: vmware-cmd /VMs/XP/xp.vmx register ESXi (and vSphere) are just a bit more complex (what, bein’ perl and all). You will need to define the -H for the host, the -U for username and the -P for password as well. The path to the vmx…