Quest Software announced it had acquired Provision Networks, a maker of desktop virtualization software, to bolster its portfolio of heterogeneous virtualization-management tools.

The acquisition allows Quest to build on its end-to-end application and desktop monitoring, management and availability capabilities.

The deal with Provision Networks complements Quest's majority ownership in Vizioncore, a data-protection vendor for VMware virtual environments, and its acquisition of Invirtus. A prior acquisition of ScriptLogic, which makes systems life-cycle management software for Microsoft Windows environments, complements Quest's portfolio of software products.

Provision Network markets the Virtual Access Suite of products that let customers extend terminal server platforms from Citrix and Microsoft and virtual infrastructures from VMware, Virtual Iron, XenSource, SWsoft and Microsoft.

Quest's management software for Windows environments, helps automate, simplify and secure Active Directory, Exchange and Windows and integrate Unix, Linux and Java into these environments.

Paul Ghostine, co-founder and CEO of Provision Networks will join the company and report to Vinny Smith, CEO of Quest Software.

Financial terms of the deal were not disclosed.

In separate news, Quest subsidiary, ScriptLogic announced that it has acquired Kemma Software to provide customers with a tool for reporting on and tracking desktop errors.