Oracle Database Error Code ORA-12564 Description :
TNS:connection refused
Error Cause:
The connect request was denied by the remote user (or TNS software).
How to Solve :
Not normally visible to the user. For further details, turn on tracing and reexecute the operation.
my error ora-12564
tnsping also ok, whant i connetcing to rman through a tns_name it show dis error