Learn about running system privilege authentication tasks on the client computer.

1. Log in as a Windows ___domain user who is a member of one of the Windows local group on the server, according to the system privilege that you want Windows to grant. The administrator must add this ___domain user to the required Windows local group. Windows local group membership is created on the server system where Oracle Database runs.
2. Ensure that the parameter SQLNET.AUTHENTICATN_SERVICES in file sqlnet.ora contains nts.
3. Use Oracle Net Configuration Assistant to configure a network connection from your client computer to the Windows server on which Oracle Database is installed.
4. Start SQL*Plus:

   C:\> sqlplus /NOLOG
   

5. Connect to Oracle Database:

   SQL> SET INSTANCE net_service_name
   

   where net_service_name is the Oracle Net net service name for Oracle Database.

6. Enter either of the following SQL*Plus commands so that you connect to the database with the required system privilege:

   SQL> CONNECT / AS SYSOPER
   SQL> CONNECT / AS SYSDBA
   SQL> CONNECT / AS SYSASM
   SQL> CONNECT / AS SYSDG
   SQL> CONNECT / AS SYSKM
   SQL> CONNECT / AS SYSBACKUP
   

   You are now connected to the Windows server. If you connect with SYSDBA, you are given DBA privileges.

   See Also:

   Oracle Database Net Services Administrator's Guide