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.

1

Log in to a vCenter Server system using the vSphere Client.

2

Select the virtual machine in the inventory panel.

3

On the Summary tab, click Edit Settings.

4

Select Options > Advanced > General and click Configuration Parameters.

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 to close the Virtual Machine Properties dialog box.