Other changes include support for Apple xSAN, resource usage accounting, migration and conversion of virtual machines, and express installation of Windows and Linux guests.
As with other virtualisation products, The idea is to reduce the number of physical servers required, saving space and power. (For those preferring a type 1 hypervisor, the company also offers Parallels Server for Mac 4.0 Bare Metal edition.)
"This release improves both speed and reliability for virtual environments on Apple server hardware," said Jack Zubarev, president of Parallels.
"Parallels Server for Mac 4.0 is the only solution on the market built and optimized for Mac OS X Server. Additionally the integration with Parallels Virtual Automation enables a single management system for a wide variety of virtual environments and hardware," he added.