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  1. #1
    Join Date
    Jul 2003
    Posts
    5

    Unanswered: Credential retrieval failed

    Hello guy's

    This is my first post on this forum.

    I am studying right now to take my 1Z1-031 exam from Oracle but I'm having a little problem


    Version:Oracle 9i
    Platform:Windows 2000
    SQL*Plus


    I went to log into my SQL *Plus today and got this message-


    ERROR:
    ORA-12638: Credential retrieval failed


    I am totally stomp on how to fix this problem can anyone help me.

    Thank you.

  2. #2
    Join Date
    Dec 2004
    Posts
    1
    In sqlnet.ora, set the following parameter:

    SQLNET.AUTHENTICATION_SERVICES= (NONE)

    Rajeev

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