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ORA-12500 TNS:listener failed to start a dedicated server process? [message #608181]

Mon, 17 February 2014 04:01

jgjeetu
Messages: 373
Registered: July 2013
Location: www.Orafaq.com/Forum

Senior Member

i am installing oracle 8i , the product has been installed successfully
then i restarted my computer and after that i opened program and at the time of selecting username.password i am getting error "ORA-12500 TNS:listener failed to start a dedicated server process"
i am getting error at this stage when i press ok:-
/forum/fa/11705/0/

i have started tnslistener too using services.msc command in run ,
but still i am getting error please help.

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Re: ORA-12500 TNS:listener failed to start a dedicated server process? [message #608188 is a reply to message #608181]

Mon, 17 February 2014 04:18

Michel Cadot
Messages: 68732
Registered: March 2007
Location: Saint-Maur, France, https...

Senior Member
Account Moderator

In addition to the other points mentioned in your previous topics: take care in which forum you post your questions. This one has nothing to do with SQL.

This error indicates either a lack of memory or an incompatibility between Oracle version and your OS.

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Re: ORA-12500 TNS:listener failed to start a dedicated server process? [message #608215 is a reply to message #608188]

Mon, 17 February 2014 08:40

BlackSwan
Messages: 26766
Registered: January 2009
Location: SoCal

Senior Member

[oracle@localhost ~]$ oerr ora 12500
12500, 00000, "TNS:listener failed to start a dedicated server process"
// *Cause: The process of starting up a dedicated server process failed.
// The executable could not be found or the environment may be set up
// incorrectly.
// *Action: Turn on tracing at the ADMIN level and reexecute the operation.
// Verify that the ORACLE Server executable is present and has execute
// permissions enabled. Ensure that the ORACLE environment is specified
// correctly in LISTENER.ORA. The Oracle Protocol Adapter that is being
// called may not be installed on the local hard drive. Please check that
// the correct Protocol Adapter are successfully linked.
// If error persists, contact Oracle Customer Support.

I suspect that Oracle 8i is NOT supported on current Windows version.

post results from following OS commands

lsnrctl status
lsnrctl service

[Updated on: Mon, 17 February 2014 08:51]

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