Click a virtual machine from the list. The hardware version appears under the virtual machine name. You can check the hardware version of a virtual machine by looking at the virtual machine summary page., For Windows, click Start → write msinfo32 → press Enter. System manufacturer info will display "VMware. Inc" if it is a VMware VM. Probably other VM platforms like Hyper-V, etc. will also fill this information., This quick snippet can be useful when establishing the range of hardware versions in an environment, or estimating the amount of work involved in updating VM hardware to a modern standard across an estate., There is a lot of info about the vmtoolsd command, but it appears to be related to vApp/OVF options. The proper syntax is --cmd "info-get guestinfo." where is a custom variable set under the vApp options. Google "vmtoolsd guestinfo" for more information., To workaround this issue, ensure that latest version of VMware Tools is running in the virtual machine before commencing hardware version upgrade. Upgrade VMware Tools and reboot if required. For more information, see Installing and upgrading VMware Tools in vSphere., Depending on which VMware product you are running, there are several ways to determine the version information. Choose Help > About if you are using any of these applications: Get summary information about the base build number and subsequently installed patches by typing esxupdate query at the command line..