Oracle : Ошибка ORA-28029

28029, 0000, "could not authorize remote server for user %s"
*Cause: During the course of opening a privileged database link,
the remote server was found to lack the necessary authorizations
to connect as the current global user.
This may be because the server was not authorized by the network
security service. Or it may be because the local server is
restricting access by the remote server using the
*Action: Grant the remote server the proper authorization to connect as
the given global user, and check that the local server is not
restricting access.

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