Capabilities of GPOs
GPOs can be edited using the Group Policy Object Editor (GPOE), formerly theGroup Policy Editor (GPE), which is an MMC snap-in. The GPOE is limited to managing a single GPO at a time and cannot be used to link a GPO. For this reason, Microsoft developed the Group Policy Management Console (GPMC) MMC snap-in, which was released around the same time as Windows Server 2003, as a web download from http://download.microsoft.com. The GPMC provides a single interface to manage all aspects of GPOs, including editing (through the GPOE), viewing the resultant set of policies (RSOP), and linking to domains, sites, and OUs. We will cover these tools in much more detail in Chapter 10.
Most settings in a GPO have three states: enabled, disabled, and unconfigured. By default, all settings in a GPO are unconfigured. Any unconfigured settings are ignored during application, so the GPO comes into play only when settings have actually been configured. Each setting needs to be configured as enabled or disabled before it can be used, and in some cases the option needs no other parameters. In other cases, a host of information must be entered to configure the option; it all depends on what the option itself does.
Enabling and disabling most options is fairly straightforward. However, due to Microsoft’s choice for the names of certain settings for GPOs, you actually can have the choice of enabling or disabling options with names like “Disable Access to This Option”. By default, ...