You can prevent guests from writing any name-value pairs to the configuration file. This is appropriate when guest operating systems must be prevented from modifying configuration settings.

Turn off the virtual machine.

1

Find the virtual machine in the vSphere Web Client inventory.

a

Select a data center, folder, cluster, resource pool, or host.

b

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

Click Add Row and type the following values in the Name and Value columns.

In the Name column: isolation.tools.setinfo.disable

In the Value column: true

6

Click OK to close the Configuration Parameters dialog box, and click OK again.