In order to modify the properties of a user ID or the assigned USER queue, you have to call KC_MODIFY_OBJECT with the object type KC_USER.
You cannot disable user IDs with administration authorization, nor can you modify properties of user IDs that are assigned to a client of the type APPLI, SOCKET or UPIC.
If you want to change the password for a user ID, ensure that:
The new password corresponds to the complexity level defined for the user ID.
The existing password is not reused when it is only possible to use passwords with a limited period of validity for the user ID.
You can supply a user ID with access rights (key set) or change them.
You can use a key set to protect a USER queue against unauthorized reading/deletion and writing. To do this, assign the desired key set to the q_read_acl and/or q_write_acl parameters (see "kc_user_str, kc_user_fix_str, kc_user_dyn1_str and kc_user_dyn2_str user IDs").
Any changes you make to the properties of a user ID or a USER queue continue to apply after transaction processing beyond the end of the application run.