1	In Site Administration, go to Configuration > Remote Access > Manage Groups.
2	Locate the computer for which you want to change options.
3	In the Actions column, select the icon for the group.
4	In the Access code or Phone authentication section, specify the access code or phone authentication options.
5	If you want to apply the same access code settings to all lower-level groups and computers within the group, select Apply to Lower Levels.
6	If you want to prevent those access code settings from being changed, select Disallow changes for all lower level groups and computers.
7	Select Update to save your settings.