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  1. #1
    Join Date
    Feb 2004
    Dublin, Ireland

    Unanswered: TNS: operation timed out

    Hi guys.
    I can not login into oracle server I get 'TNS: operation timed out' message.
    I'm sure my tnsnames I set up correcty. From other computer I can log in without trubles and it's the same version of oracle client using the same tnsnames. yesterday I could connect. I can't do it since this morning and I've changed nothing. I'm sure the network is working becouse I can ping the mashine the server is running on, but I can not tnsping service name. thank you very much for advice.

  2. #2
    Join Date
    Jan 2004
    Croatia, Europe
    Provided Answers: 5
    Did you also check the SQLNET.ORA file (in the same directory where TNSNAMES.ORA is)?

  3. #3
    Join Date
    Apr 2001
    Operation timed out, means that the server could not be reached.

    Please do a TNSPING on the server from where you try to connect.
    Then, try to ping the server mentioned in the tnsping output (HOST)
    Ruud Schilders
    Oracle DBA
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