NetCA (Network Configuration Assistant) is a utility used for configuring SQL*Net.
NetCA can be considered a simplistic version of Net Manager. However, NetCA is used as a configuration assistant launched by the OUI at install time. It is more suitable for batch mode for silent installations.
 Start NetCA
Click start -> Oracle OraDB10g_Home1 (your Oracle Home) -> Configuration and Migration Tools -> Network Configuration Assistant
 Unix/ Linux
$ export ORACLE HOME=... $ export PATH=$PATH:$ORACLE_HOME/bin $ netca
 Command line parameters
- -responseFile [response file]