check that your user is member of the ORA_DBA group in windows, that both LOCAL and ORACLE_SID env variables are pointing to a valid tnsnames entry, that TNS_ADMIN is pointing to a valid directory (containing a tnsnames.ora) and that SQLNET.AUTHENTICATION_SERVICES is pointing to NTS. hth Alan Bort Oracle Certified Associate On Wed, Feb 4, 2009 at 12:55 PM, nilesh kumar <nileshkum@xxxxxxxxx> wrote: > Hello Good Morning!! > > Hope every one doing good. > > This morning I am trying to login to my windows database. It showing a > strange error. How should I resolve this. > > D:\>sqlplus "/as sysdba" > > SQL*Plus: Release 10.2.0.1.0 - Production on Wed Feb 4 20:22:29 2009 > > Copyright (c) 1982, 2005, Oracle. All rights reserved. > > ERROR: > ORA-01031: insufficient privileges > > > Enter user-name: > > > -- > Thanks > Nilesh Soni > Oracle is not a magic..it takes years of experiance :-) > 9860584034 > > -- //www.freelists.org/webpage/oracle-l