MIT Kerberos Documentation

krb5_get_init_creds_opt_set_change_password_prompt - Set or unset change-password-prompt flag in initial credential options.

void krb5_get_init_creds_opt_set_change_password_prompt(krb5_get_init_creds_opt * opt, int prompt)

[in] opt - Options structure

[in] prompt - Whether to prompt to change password

This flag is on by default. It controls whether krb5_get_init_creds_password() will react to an expired-password error by prompting for a new password and attempting to change the old one.