ORA-12221: TNS:illegal ADDRESS parameters

admin

ORA-12221:TNS:illegal ADDRESS parameters
Cause: An illegal set of protocol adapter parameters wasspecified. In some cases,
this error is returned when a connection cannot be made to the protocoltransport.
Action: Verifythat the destination can be reached using the specified protocol.
Check the parameters within the ADDRESS section of TNSNAMES.ORA or in the
directory. Legal ADDRESS parameter formats may be found in the Oracle
operating system specific documentation or the Oracle Net Administrator'sGuide.
Protocols that resolve names at the transport layer are vulnerable to thiserror if
not properly configured or names are misspelled.