2.2.6.3 PidLidForwardInstance Property
Type: PtypBoolean ([MS-OXCDATA] section 2.11.1)
A value of TRUE for the PidLidForwardInstance property ([MS-OXPROPS] section 2.138) indicates that the Meeting Request object represents an exception to a recurring series, and it was forwarded (even when forwarded by the organizer) rather than being an invitation sent by the organizer. A value of FALSE for this property indicates that the Meeting Request object is not a forwarded instance. This property is not required, read, or written to.<28>