The Win32_LUID abstract class represents a locally unique identifier (LUID), an identifier unique only on the local computer. ...

The Win32_LUID abstract class represents a locally unique identifier (LUID), an identifier unique only on the local computer. Instances of the Win32_LUID class identify a process or thread so that they can be associated with security token privileges represented by instances of the Win32_LUIDandAttributes class. For more information about the role of LUIDs in security, see LUID.