[12203] TNS-12203 TNS:unable to connect to destination

[12203] TNS-12203 TNS:unable to connect to destination
What does this mean?
Is it mostly a network issue?

1) Verify that you have entered the net service name you wish to reach correctly.
2) Verify that the net service name ADDRESS parameters in the connect
descriptor of your TNSNAMES.ORA file are correct.
3) Verify that your TNSNAMES.ORA file is stored in the correct directory.
4) Verify that the listener on the remote node has started and is running. If not,
start the listener by using the Listener Control Utility.
5) If you are connecting from a login box, verify that you are not placing an "@"
symbol before your connect net service name.
NOTE:21337.1

Similar Messages

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    Dear All
    Plz help me regarding this issue i got since many time and still i am unable to solve this problem properly
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    hi
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  • Report connection error ORA-12203 : TNS : unable to connect to destination

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    This error generally occurs when you listener at server is not working properly or at client you sqlnet.ora,tnsnames.ora (if using local names) file is not configured properly check both the files

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    Hello All,
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    Hi
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  • TNS-12203: TNS:unable to connect to destination

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