VMware virtual machines are designed to work on both vSphere systems and hosted virtualization platforms such as Workstation and Fusion. Certain virtual machine parameters do not need to be enabled when you run a virtual machine on a vSphere system. Disable these parameters to reduce the potential for vulnerabilities.


Turn off the virtual machine.


  1. Find the virtual machine in the vSphere Web Client inventory.
    1. Select a data center, folder, cluster, resource pool, or host.
    2. Click the Related Objects tab and click Virtual Machines.
  2. Right-click the virtual machine and click Edit Settings.
  3. Select VM Options.
  4. Click Advanced and click Edit Configuration.
  5. Set the following parameters to TRUE by adding or editing them.
    • isolation.tools.unity.push.update.disable

    • isolation.tools.ghi.launchmenu.change

    • isolation.tools.memSchedFakeSampleStats.disable

    • isolation.tools.getCreds.disable

    • isolation.tools.ghi.autologon.disable

    • isolation.bios.bbs.disable

    • isolation.tools.hgfsServerSet.disable

  6. Click OK.