Dynamic Workload Console considerations

Dynamic Workload Console V9.5 uses WebSphere Application Server Liberty Base to handle the initial user verification. In all cases, however, it is necessary to obtain a valid corresponding RACF® user ID to be able to work with the security environment in z/OS®.

Note: You cannot control the port from which the Dynamic Workload Console server started task replies to a request from the Z connector. The response ports are randomly selected.
To optimize the thread handling between Z connector and the scheduler server, you can group console users by RACF® user ID. To define this grouping, associate a list of console users to the same RACF® user ID, by editing the TWSZOSConnConfig.properties file located in:
DWC_DATA_DIR\usr\servers\dwcServer\resources\properties
Where DWC_DATA_DIR is, by default, %Program Files%\wa\DWC\ on Windows, and /opt/wa/DWC on UNIX.
In TWSZOSConnConfig.properties set the last two properties as follows: 
com.ibm.tws.zconn.usr.mapping.enable=true
com.ibm.tws.zconn.usr.mapping.file=mapping_file_path\mapping_file
where mapping_file is the name of the file that contains the mapping between console user and RACF® user ID, as in the following example: 
engine=zos1919 user=twsuser1,twsuser2 zosuser=zos1919user1
               user=twsuser3,twsuser4 zosuser=zos1919user2