Installation information For information about installing or upgrading the software, see McAfee Database Security Installation Guide. You can find the upgrade files for McAfee DAM sensor updates at: updates.sentrigo.com/mfe-4.6.6/ Hedgehog sensor updates are no longer supported. When upgrading the server on older Linux kernel versions earlier than 2.6.18-194.el5, the corresponding error message is generated: Kernel <Kernel Name> is not supported by this installer. Current server application uses Java 8 and newer OS versions (>5.5). Installation can proceed however application will not be able to start. To fix the upgrade error: Task Downgrade the JAVA version, then restart the server. Upgrade kernel allowing JRE 8 to function (JRE depends on GLIBC).