Symantec Data Loss Prevention
After an upgrade of Oracle to 19c, attempts to log into sqlplus as sysdba fail with the error "ORA-12560: TNS:Protocol adapter error".
RDP to the Oracle server, launch an Administrator command window, attempt to log into sqlplus as sysdba.
The command used to log in is "sqlplus sys/<password> as sysdba".
This command worked in the previous version of Oracle.
Logging in as the protect user works.
Release : Oracle 19c
Component : Multitenant PDB/CDB
Oracle 19c was installed using the multitenant PDB/CDB model.
This type of install uses containers that require that you specify the container you are logging into.
Specify the container you are logging into with this command:
Where "protect" is the DLP database container.