ORA-12541:TNS:No Listener
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BrentSheets
6535 pts.
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Q:
ORA-12541:TNS:No Listener
ORA-12541, Oracle 9i error messages, Oracle Enterprise Manager, Oracle 9i
When I want to open the global database from 'the Oracle Enterprise Manager Console Standalone' menu in Oracle 9i, then the 'ORA-12541:TNS:No Listener' message occurs. It can't open the database. It also needs the user id & password. What should I do?

Moderator Note: This is a submitted question
ASKED: Jul 15 2009  1:13 PM GMT
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Djeepp
340 pts.
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A:
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Check that the listener is up and running on the database server (this could be different depending on the operating system, which was not specified).

If it is up and running, it could be a configuration problem (listener.ora file).

Make sure there is no firewall or router blocking the listener port (probably 1521).
Last Answered: Jul 16 2009  3:03 PM GMT by Djeepp   340 pts.
Latest Contributors: Carlosdl   29820 pts.
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