The DRS_MSG_GETCHGREQ_V7 structure defines the request message sent to the IDL_DRSGetNCChanges method. This message version is a superset of DRS_MSG_GETCHGREQ_V4.<28>

 typedef struct {
   UUID uuidTransportObj;
   [ref] MTX_ADDR* pmtxReturnAddress;
   DRS_MSG_GETCHGREQ_V3 V3;
   [unique] PARTIAL_ATTR_VECTOR_V1_EXT* pPartialAttrSet;
   [unique] PARTIAL_ATTR_VECTOR_V1_EXT* pPartialAttrSetEx;
   SCHEMA_PREFIX_TABLE PrefixTableDest;
 } DRS_MSG_GETCHGREQ_V7;

uuidTransportObj: The objectGUID of the interSiteTransport object that identifies the transport by which to send the reply.

pmtxReturnAddress: Transport-specific address to which to send the reply.

V3: Version 3 request.

pPartialAttrSet: A set of one or more attributes whose values are to be replicated to the client's partial replica, or null if the client has a full replica.

pPartialAttrSetEx: A set of one or more attributes whose values are to be added to the client's existing partial replica, or null.

PrefixTableDest: Prefix table with which to convert the ATTRTYP values in pPartialAttrSet and pPartialAttrSetEx to OIDs.