Set the minimum authentication protocol for connecting to the database instances

If you are installing Cognos Reporting, you must set the minimum authentication protocol allowed when connecting to the database instances. Without this configuration, the Cognos service does not start.

1. Locate the file sqlnet.ora on the database server. The default location of the file is %ORACLE_HOME%\NETWORK\ADMIN. If the file does not exist, create it.
2. Add the following parameter to the file:
   SQLNET.ALLOWED_LOGON_VERSION_SERVER=8