Where can I find listener Ora?
Andrew Mclaughlin
Updated on April 27, 2026
By default, the listener. ora file is located in the ORACLE_HOME/network/admin directory.
How do I fix Listener refused the connection with the following error?
- Open Oracle Net Manager. In Oracle Net Configuration, open Local, and then, open Listeners.
- In the upper right ComboBox, select Database Services.
- Clic Add Database.
- Fill the 3 fields: Global Database Name (i.e. ORCL.NET.
- Restart the OracleOraDb11g_home1TNSListener service.
What causes ‘ora-12541 TNS TNS no listener’ error?
There are many potential causes for ‘ORA-12541 TNS:no listener’ errors. For example: Scenario #1 – Tnsnames.ora file does not have the correct information required to connect to Scenario #2 – Oracle server has more than one network card, but only 1 card is configured
How to solve Oracle listener connection problem?
Ask Oracle DBA to check the Oracle server, to solve connection problem. NOTE: Oracle is a third party (non-IBM) piece of software. IBM cannot give any official advice on third-party (non-IBM) products. However, in one customer’s case, the problem was solved by deleting and re-creating the Oracle Listener.
Why can’t I connect to my Oracle Server?
In one customer’s specific case, the Oracle server’s listener was not configured correctly. Ask Oracle DBA to check the Oracle server, to solve connection problem. NOTE: Oracle is a third party (non-IBM) piece of software. IBM cannot give any official advice on third-party (non-IBM) products.
What to do when Oracle Server is not operational/misconfigured?
However, this IBM Technote specifically deals with the scenario where the Oracle server was not operational/misconfigured. In one customer’s specific case, the Oracle server’s listener was not configured correctly. Ask Oracle DBA to check the Oracle server, to solve connection problem.