Oracle Message ORA-25138 - string initialization parameter has been made obsolete

ERROR	string initialization parameter has been made obsolete
CAUSE	An obsolete initialization parameter has been specified
ACTION	The system will come up, but parameters must be examined

609430	Error messages due to obsolete parameters
320540	Oracle param. no longer supported as of Vers. 8.1
417258	Migration/upgrade Oracle 8.1.7 for Reliant