Issue:

Multiple minidump files created in various locations (eg bin folder) either in the LES application or Client machine.

Solution:

-Remove the minidump files then modify the sqlnet.ora file on DB, LES APP and client servers and add the following 3 lines then restart the DB and listener:

DIAG_ADR_ENABLED=OFF

DIAG_SIGHANDLER_ENABLED=FALSE

DIAG_DDE_ENABLED=FALSE