The is a pre-configured virtual appliance designed for developers and IT administrators to quickly test the OpenNebula cloud management platform without a manual installation. This "cloud-in-a-box" approach allows you to run a fully functional cloud environment on a standard Windows 10 laptop or desktop. Core Specifications & Requirements

While Windows 10 has Hyper-V, the OpenNebula OVA is optimized for or VMware .

Why use the Sandbox? It gives you a fully functional cloud-in-a-box to experiment with VM templates, virtual networks, and user management without affecting your production environment.

According to the OpenNebula Community Forum , the older virtualbox sandboxes may not be maintained for modern releases. You should use miniONE .

The 5.0 release introduced major improvements to the web interface and internal resource handling: