Sun Microsystems is marketing Windows EBS Standard as virtualized on one physical server. Sun Microsystems has published a Sun for Windows EBS Solution Brief and Microsoft Windows EBS on Sun Microsystems x64 Systems Hardware Requirements.
“Instead of the three servers required by other platforms, Sun enables you to manage your entire Windows environment with one affordable, virtualized, and massively scalable system.”
More info: Sun's Place for Small and Medium Businesses
Source:→ EBS Blog