Without sidchg , RACF will challenge the user for a password/passphrase when such a change is attempted.
: Immediately removes a stored license key without performing any other actions.
— For users with sidchg , also require multi-factor authentication at initial login. sidchg key
— Prevent sidchg users from logging interactively (TSO/OMVS) if they are purely batch/service IDs.
Normally, changing your session ID or establishing a new security context requires re-entering your password or passphrase. sidchg bypasses that requirement for authorized users or automated processes. Without sidchg , RACF will challenge the user
The system will log out and restart. Do not interrupt this process, as it involves deep system modifications. Key Command Options for Licensing
| System | Equivalent Concept | |--------|--------------------| | Unix/Linux | setuid without password prompt | | Windows | SeAssignPrimaryTokenPrivilege | | ACF2 | SIDCHG via GSO CONTROL options | | Top Secret | SESSCHG attribute | The system will log out and restart
Run the utility from an administrator command prompt. A common command is sidchg64.exe /R (to change the SID and restart automatically).