Oracle® Database 11g / 12c / 18c error codes ORA-12162: TNS:net service name is incorrectly specified

ORA-12162: TNS:net service name is incorrectly specified

Oracle Error Code: ORA-12162

Cause: The connect descriptor corresponding to the net service name in TNSNAMES.ORA or in the directory server (Oracle Internet Directory) is incorrectly specified.

Action: If using local naming make sure there are no syntax errors in the corresponding connect descriptor in the TNSNAMES.ORA file. If using directory naming check the information provided through the administration used for directory naming.