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    Oracle Error ORA-06127: NETTCP: unable to change username

    admin November 15, 2022 No Comments

    Oracle Error Message

    ORA-06127: NETTCP: unable to change username

    Reason for the Error

    The host’s SQL*Net TCP/IP server could not establish a PROXY LOGIN connection because the client username is unknown (to the host OS).

    Solution

    Create new user account on host.

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