Answer / guest

Cause: The connection request could not be completed because
the listener is not running.

Action: Ensure that the supplied destination address matches
one of the addresses used by the listener - compare the
TNSNAMES.ORA entry with the appropriate LISTENER.ORA file
(or TNSNAV.ORA if the connection is to go by way of an
Interchange). Start the listener on the remote machine.

Please add more information about this Error

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