you probably have TWO_TASK set unset and try again ----- Original Message ---- From: dba1 mcc <mccdba1@xxxxxxxxx> To: oracle-l@xxxxxxxxxxxxx Sent: Tuesday, December 30, 2008 8:09:54 PM Subject: how to login as "SYS" on sqlplus I tried to login as "sys" and test "sys" password. I can NOT make it work. Any ideal? ========================================================== %sqlplus sys/passwd@T102 as sysdba SQL*Plus: Release 10.2.0.4.0 - Production on Tue Dec 30 21:01:39 2008 Copyright (c) 1982, 2007, Oracle. All Rights Reserved. ERROR: ORA-01031: insufficient privileges Enter user-name: -- //www.freelists.org/webpage/oracle-l -- //www.freelists.org/webpage/oracle-l