NetMaster automatically issues SETSSI ADD,SUBNAME=XXXX at region startup (based on value of /PARMS group $RM OPSYSIDS, field AOM Subsystem Interface ID). Automatically issuing SETSSI ADD can cause a systems management problem at companies where z/OS subsystem interface IDs are managed (added, modified, and deleted) via z/OS PARMLIB member IEFSSNxx.
The option to override the issuing of the SETSSI command during NetMaster region startup is by setting a global variable.
To prevent the SETSSI command from being issued, follow these steps: