There is no guidance on how to define class TPXAUTH. What are the settings for RACF?:
TPX - Session Management
RACF
Example below with defining a resource class for TPXAUTH in RACF:
1. Define a resource class that is named TPXAUTH.
2. Define a resource entity that is named MEMORY, with READ and UPDATE as the available ACCESS levels.
3. Grant the designated users READ or UPDATE access to MEMORY.