Macos - Server 5.6.3

Does 5.6.3 delete deprecated services? - Apple Support Community

Compatible with Macs capable of running High Sierra, including Late 2009 MacBooks and iMacs, and Mid 2010 Mac minis, Pros, and MacBook Pros. macOS Server 5.6.3

(Mail, DNS, DHCP, VPN, Websites, Wiki, Calendar, Contacts) Does 5

for new installs; fully functional for existing upgrades. Management Tools (Profile Manager, Open Directory, Xsan) Active and supported as the primary focus. including Late 2009 MacBooks and iMacs

(Caching Server, File Sharing, Time Machine Server)