If CICSPlex discovery is being performed, the Ironstream discovery agent needs the SEYUAUTH loadlib in the STEPLIB DD of the started task JCL. If this option is chosen then the SEYUAUTH dataset must be APF authorized.
Note: if CICSPlex discovery is not required then SEYUAUTH is also not required
You should turn off the CICSPlex discovery probe in ServiceNow.