ADDUSER userid ... SIDCHG | Aspect | Without sidchg | With sidchg | |--------|----------------|---------------| | Session ID change | Requires password/passphrase | Allowed without re-authentication | | Suitability | General users, high-security accounts | Trusted processes, service accounts, automation | | Risk | Lower risk of unauthorized context switching | Higher risk if user ID is compromised |
ALTUSER userid SIDCHG To remove it:
ALTUSER userid NOSIDCHG It can also be specified during initial user creation: sidchg key