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Thread: EXP-00056: ORACLE error 12154 encountered

  1. #1
    Join Date
    Aug 2008

    EXP-00056: ORACLE error 12154 encountered

    while taking export following error cuming. Please reply.

    EXP-00056: ORACLE error 12154 encountered
    ORA-12154: TNS:could not resolve service name
    EXP-00000: Export terminated unsuccessfully



  2. #2
    Join Date
    Nov 2000
    Pittsburgh, PA
    So if the export worked before, then something must have changed. Regardless, no one else is going to know whether this export is happening on the same server as the database or a different machine. do you have the right servername, port? Do you have NT authentication in the sqlnet.ora file. Are you specifying the domain name in the tns names file? Without further information, no one can help you.

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