reducing CPU consumption of background server manager processes.virus filtering and quarantine update to ClamAV version 0.87.1.integrating PHP programs with MySQL databases.SSH authentication in single sign-on environments.updating Windows machine trust account passwords.ensuring proper Open Directory replica promotion to a master.using Open Directory groups containing thousands of members.concurrent file access when using AFP and Samba.The 10.4.4 Server Update delivers overall improved reliability and compatibility for Mac OS X Server v10.4 and is recommended for all systems. Or provide services to everyone on your network with the unlimited-client edition. Get started now with the 10-client edition for only $499. The fifth major release of Apple’s award-winning server operating system, Mac OS X Server version 10.4 “Tiger” offers 200+ new features and builds on more than 100 of the latest open source projects.