I installed Oracle 188.8.131.52.0 on my PC running Windows NT 4.0 O.S. In SQL*PLUS, under SYSDBA, I created a user as the following:
create user ops$administrator identified externally;
grant DBA to ops$administrator
Where "administrator" is the user name for my NT 4.0 system.
However, as soon as I attempt to connect to the DB with the username ops$administrator, it always failed. The outcomes are described as the follows:
(1)In the Command Prompt of Windows NT, issue the following command:
Then enter the SQL*Plus.
(2)In SQL*Plus, issue the following command:
SQL>connect / as sysdba
ORA-12203: TNS: unable to connect to destination.
I logged on as the super-user administrator, and I am sure that administrator is a member of the ora_dba group.
Who can help me to resolve the problem?
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