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  1. #1
    Join Date
    Dec 2013
    Provided Answers: 2

    Unanswered: Enterprise Manager - Preferred Credentials

    Oracle Version:
    OS: Windows 7

    Product: Enterprise Manager v12.

    I have successfully created an ORACLE Tablespace, database and users with SQL Developer.
    I have created a repository and have RMAN do a complete backup.

    I can use Enterprise Manager to view everything (even my backups).

    But when I use EM: Availability --> Backup & Recovery --> Schedule Backup

    Under Host Credentials, it says "Default preferred credentials are not set."

    If I try to proceed further, "Validation Error ... Default preferred credentials are not set."

    I have tried googling and have been pointed to "EMCLI" and Enterprise manager's "Security --> Preferred Credentials"
    but have had no luck defining anything.

    Using EM, I see a lot of targets including "Database Instance"', "Oracle Home" ... but can't seem to edit them.

    Any ideas?


  2. #2
    Join Date
    Aug 2003
    Where the Surf Meets the Turf @Del Mar, CA
    Provided Answers: 1
    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
    Dec 2013
    Provided Answers: 2

    Thanks for the link. I've been through hundreds of these and it finally became clear what the stumbling block was.

    In Enterprise Manager I had been dealing with Normal/SYSDBA database Credentials.

    For the Backup s/w they referred to "Database Host Credentials".

    I now know that that has nothing to do with the ORACLE DB, but with the host system.

    All is OK now.

    Thanks again,

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