Parallels H-Sphere delivers a multi-server hosting automation solution for Linux, BSD, and Windows platforms. H-Sphere includes its own controls panels, automated billing, and provisioning solution in a single integrated system. It is scalable to any number of boxes - more Web, mail, database, and Windows hosting servers can be added without downtime.
Be sure to review the product documentation to ensure proper operation of H-Sphere. For information regarding known problems, new features and bugfixes please refer to the product release notes.