The administrator subdirectory of mambo distribution contains 3 files named index?.php . All files required this change. administrator/includes/auth.php
inside each file, immediately following the line:
session_name( 'mosadmin' );
insert:
ini_set('session.save_handler', 'files');
must be prior to line:
session_start();
otherwise there are "failure to initiate properly" issues.
BACKGROUND INFO:
Directive session.save_handler defines session management handler. php.ini default value = 'user', which if I've read

