I am not sure it is the same, but I got this error today in windows when sql_authentication was NONE. Changing it to NTS solved the problem.
Adar Yechiel Rechovot, Israel
Prabhu, K wrote:
> All, > > After installing Oracle 9IR2 on RH Linux 8.0, while trying to access > SQLPLUS as SYS user > we're getting error ORA-01031 (See ORA-01031.ora-code.com): insufficient privileges. >