Parameter
rfc/prefer_rfcdes

Short text
forces the use of the contend of table RFCDES
For controlling the profile parameter
rfc/prefer_rfcdes
(default) the destinations of type <(><<)>HOST>_<(><<)>SYS>... areexpanded to <(><<)>HOST> and <(><<)>SYS>
1
The destinations of this type are not expanded directly but instead itis searched in the table RFCDES for a suitable destination

Work area
ABAP