The DRS_MSG_REPMOD union defines the request messages for the IDL_DRSReplicaModify method. Only one version, identified by dwVersion = 1, is currently defined.

 typedef 
 [switch_type(DWORD)] 
 union {
   [case(1)] 
     DRS_MSG_REPMOD_V1 V1;
 } DRS_MSG_REPMOD;

V1: The version 1 request.