Extend Windows Essential Business Server with the Premium Edition
You can extend the capabilities of the Windows® Essential Business Server software suite (Windows EBS) by installing the Premium edition. Windows EBS Premium provides licenses for the Windows Server® 2008 Standard operating system and the Microsoft® SQL Server® 2008 Standard database software, which you can install on a fourth server in your Windows EBS network. You can use the fourth server to support line-of-business applications. You can also use the Windows Server 2008 Standard license to virtualize Windows EBS on a single server.
This section includes the following topics: