About Mac OS X Server 10.5.1 Update
The latest release of Apple's UNIX server operating system makes it easy for small businesses, workgroups, and enterprises to take full advantage of the benefits of a server. With Mac OS X Server, users can effortlessly share files, schedule meetings and events, exchange instant messages, send and receive mail on the Internet, access the organization's network remotely, publish podcasts, and host websites, wikis, and blogs.

Learn more about Mac OS X Server.

What’s New in this Version
- The 10.5.1 Update is recommended for all users running Mac OS X Server Leopard and includes general operating system fixes that enhance the stability, compatibility and security of your server.

Mac OS X Server 10.5.1 Update SHA-1 Digest:
MacOSXServerUpd10.5.1.dmg=
9ccfe856eae029b70b7f465d85041a96738eaeab

For explanation of what a SHA-1 digest is, please visit this website: http://docs.info.apple.com/article.html?artnum=75510

For detailed information on this update, please visit this website: http://docs.info.apple.com/article.html?artnum=306908

For detailed information on security updates, please visit this website: http://docs.info.apple.com/article.html?artnum=61798