The TransportFlags enumerated type has only one flag defined, TRANSPORT_SUPPORTS_RDC_SIMILARITY.

 typedef  enum 
 {
   TRANSPORT_SUPPORTS_RDC_SIMILARITY = 1
 } TransportFlags;

TRANSPORT_SUPPORTS_RDC_SIMILARITY:  This bitmask flag value is used to indicate to a client that a DFS-R server is capable of using the similarity features of RDC (as specified in [MS-RDC], section 3.1.5.4).