The DRS_MSG_GETCHGREPLY_V2 structure defines the compressed DRS_MSG_GETCHGREPLY_V1 message received from the IDL_DRSGetNCChanges method.

 typedef struct {
   DRS_COMPRESSED_BLOB CompressedV1;
 } DRS_MSG_GETCHGREPLY_V2;

CompressedV1: Compressed DRS_MSG_GETCHGREPLY_V1 response.