2.2.3.29 PidTagAddressBookDistributionListMemberCount
Data type: PtypInteger32 ([MS-OXCDATA] section 2.11.1)
The PidTagAddressBookDistributionListMemberCount property<20> ([MS-OXPROPS] section 2.517) contains the total number of recipients in a specified distribution list. This value includes the members of all the distribution lists that are members of the specified distribution list.
This property is calculated during OAB generation and is not available on the NSPI server.