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  1. #1
    Join Date
    Sep 2013
    Posts
    1

    Exclamation Unanswered: ORA 12547 -- TNS Lost Contact (11.2.0.3 on AIX)

    Post fresh install of 11.2.0.3 on AIX TL 08 ,
    $ sqlplus

    SQL*Plus: Release 11.2.0.3.0 Production on Tue Sep 3 17:39:12 2013

    Copyright (c) 1982, 2011, Oracle. All rights reserved.

    Enter user-name: /as sysdba
    ERROR:
    ORA-12547: TNS:lost contact

    1. Checked the permission for oracle file in $ORACLE_HOME/bin and found to be correct.
    2. Ulimit values are correct

  2. #2
    Join Date
    Aug 2003
    Location
    Where the Surf Meets the Turf @Del Mar, CA
    Posts
    7,776
    Provided Answers: 1
    when was last time sqlplus was successfully connecting as sysdba to DB?
    What changed since then?
    what clues exist in alert log file?
    You can lead some folks to knowledge, but you can not make them think.
    The average person thinks he's above average!
    For most folks, they don't know, what they don't know.
    Good judgement comes from experience. Experience comes from bad judgement.

  3. #3
    Join Date
    Feb 2012
    Posts
    44
    rerun script $ORACLE_HOME/root.sh

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