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    Oracle Error RMAN-20246: new db_unique_name is already known to the recovery catalog

    admin November 16, 2022 No Comments

    Oracle Error Message

    RMAN-20246: new db_unique_name is already known to the recovery catalog

    Reason for the Error

    the user specified known DB_UNIQUE_NAME value when renaming a DB_UNIQUE_NAME in the recovery catalog.

    Solution

    change the database DB_UNIQUE_NAME to an known DB_UNIQUE_NAME value; or unregister the new DB_UNIQUE_NAME before renaming an old DB_UNIQUE_NAME value for a database. To display the list of all DB_UNIQUE_NAME for the databases LIST DB_UNIQUE_NAME OF DATABASE command can be executed.

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