IT Tutorial IT Tutorial | Oracle DBA | SQL Server, Goldengate, Exadata, Big Data, Data ScienceTutorial

Tag Archives: error 12514 received logging on to the standby

TNS-12564: TNS connection refused

Mehmet Salih Deveci May 8, 2020 ORA-ERRORS 0

Hi, Sometimes You can get “TNS-12564: TNS:connection refused ” error.

ORA-12564: TNS connection refused

Mehmet Salih Deveci May 8, 2020 ORA-ERRORS 0

Hi, Sometimes You can get “ORA-12564: TNS:connection refused ” error.