IBM Mainframe Forum

Hello everyone,
Could someone able to help me out on the below please?

How can I find out the user ID and group that a z/OS started task (like catalog, JES2, or dumpsrv) is running under? I need this information to enable the ICHRIN03 module, which serves as a backup for the RACF started class. I tried to find this out using SDSF panel but the owner informaiton there is empty and unable to see JCL also, it's showing JCT not available.

The userid should be shown in the syslog when the task starts.

yeah I tried that too, it is showing the START <taskname> but not the userid is not listing.

JES2 can be found, search for msg IEF695I :
IEF695I START JES2 WITH JOBNAME JES2 IS ASSIGNED TO USER SYSTEM, GROUP SYS1

I couldn't find CATALOG or DUMPSRV, so perhaps those tasks don't run with a userid, they are after all system extensions?

I think so, it is mentioned that we should not start this dumpsrv using ' S DUMPSRV' using oeprator console. this is started by the MASTER subsystem.