2.2.2.2.3 ParentFolder Key
The section MUST contain one key with the constant string ParentFolder if the flag 0x00000002 is set, as defined in section 2.2.2.2.1. The value MUST be a curly braced GUID string. If this key is present, it indicates that the folder redirection subsystem MUST redirect this user profile folder to a child directory of the redirection destination for the user profile folder that is specified by the value GUID. The name of the child directory MUST be the string value associated with the RelativePath key defined in section 2.2.2.2.4.