Oracle Database Discussions

On Oracle 11g

I am granting from SYS the privilege Sysoper to a user TEST_ADM with the Admin Option;

- Grant SYSOPER to TEST_ADM with Admin Option;

I connect to TEST_ADM as Sysoper and would like to grant the Sysoper privilege to a new user TEST_BACKUP (without admin option).

- Grant SYSOPER to TEST_BACKUP;


At this grant I get the error: "insufficient privileges"

Grant SYSOPER to test_backup
Fehlerbericht:
SQL-Fehler: ORA-01031: Nicht ausreichende Berechtigungen
01031. 00000 - "insufficient privileges"
*Cause: An attempt was made to change the current username or password
without the appropriate privilege. This error also occurs if
attempting to install a database without the necessary operating
system privileges.
When Trusted Oracle is configure in DBMS MAC, this error may occur
if the user was granted the necessary privilege at a higher label
than the current login.



Although the user TEST_ADM has the Sysoper session privilege.

SQL>Select * from session_privs;

PRIVILEGE
----------------------------------------
CREATE SESSION
RESTRICTED SESSION
SYSOPER (where can I see the admin option???)


What is wrong?