Customize member PARMS in the CNTL data set. These are the Mainframe Access server initialization parameters referenced by the Mainframe Access started task JCL.
Change TCP_PORT=2020 to TCP_PORT= clientport . This is the port number that Micro Focus client software should be configured to use.
Change NETWORK ID=DDINET1 to NETWORK ID= netid , the VTAM SNA network id of your system.