2.2.3.32 PidTagMappingSignature

Data type: PtypBinary ([MS-OXCDATA] section 2.11.1)

The PidTagMappingSignature property ([MS-OXPROPS] section 2.781) MUST be present on all Address Book objects on an NSPI server and MUST contain the following 16 bytes:

 0xDC, 0xA7, 0x40, 0xC8, 0xC0, 0x42, 0x10, 0x1A, 0xB4, 0xB9, 0x08, 0x00, 0x2B, 0x2F, 0xE1, 0x82

The PidTagMappingSignature property is not present on objects in an offline address book (OAB).