Oracle : Ошибка ORA-06302

"IPA: Cannot connect to remote host"
*Cause: The cause may be one of the following:
- there is no ADI server defined to reflect a connection to the
specified host.
- the remote host is not known by the local system.
- the ORACLE kernel on the remote host is not generated with the
IPA driver
*Action: Check sequentially for the above causes and eliminate the actual
cause found.

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