ORA-1205:invalid or unknown NLS parameter value specified
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Thread: ORA-1205:invalid or unknown NLS parameter value specified

  1. #1
    Join Date
    May 2008
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    INDIA
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    ORA-1205:invalid or unknown NLS parameter value specified

    I am unable to connect to Database from PLSQL-Devloper (in windows-XP) in client system. It's showing "ORA-1205:invalid or unknown NLS parameter value specified".

    I did this in command prompt but getting the same error.

    C:\ set NLS_LANG=



    Pls help me out.

    Cheers,
    gohappy
    Last edited by gohappy; 04-21-2009 at 11:02 AM.

  2. #2
    Join Date
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    Ft. Lauderdale, FL
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    Is this a fresh Oracle install or you used to connect to the target instance and it just stopped working?

    By the way... the Oracle error you are getting, isn't it ORA-12705?
    Pablo (Paul) Berzukov

    Author of Understanding Database Administration available at amazon and other bookstores.

    Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.

  3. #3
    Join Date
    May 2008
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    INDIA
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    Thanks Pablo,

    I have been using PLSQL Dev for few months. It's not a fresh installed Oracle. Suddenly I got this error. Yes you are right, the error was OR-12705. When ever I am trying to connect to any other instace, I am getting this error.

    The databases are up and running. Do you think there is something wrong with PLSQL Dev configuration?

    Waiting for your valuable suggestions.

    Cheers,
    gohappy

  4. #4
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    I would try unset NLS_LANG.

    Problem here is that on a Windows machine NLS_LANG has to be unset in the Windows registry -some people will suggest to first take a back up or your Registry then rename the offending key instead of deleting it.

    After taking a backup of the registry I would look for the NLS_LANG subkey in the registry at \HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE..., and rename it as NLS_LANG_BAD or something like this, reboot the pc and try again.
    Pablo (Paul) Berzukov

    Author of Understanding Database Administration available at amazon and other bookstores.

    Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.

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