If the selected hosts are of various operating systems, none of the operating system-specific information appears.
For example, select a Linux client and a Windows 2008 client. Neither the properties nor the properties appear in the Host Properties tree. If all the selected hosts are of the same operating system, the corresponding properties node appears.
At any time you can choose from the following options:
Click Default to set all the properties in the current dialog box to the default values.
Click to apply all changes since was last clicked. also closes the dialog box.
Click to cancel the changes that were made since the last time changes were applied.
Click to save changes to all of the properties for the selected host(s).
Click for information on the properties that appear on the current dialog box.