The new licensing terms mean that customers will be able to purchase single client access licences, allowing them to pay only for the exact number of employees using the product.
Windows Small Business Server 2008 Standard Edition software, including five licences, will be priced at US$1,089 with each additional licence costing US$77. The premium version will cost US$1,899 with extra licences priced at US$189.
Windows Essential Business Server 2008 Standard Edition software, including five licences, will carry a $5,472 price tag. Additional licences will be charged at $81.
The premium version will set customers back $7,163, with extra licences costing US$195.
"Small and midsize companies are looking for many of the same IT capabilities and benefits as those sought by large enterprises," said Ray Boggs, vice president of small/medium business research at IDC.
"But the technology has to be delivered as part of simpler, integrated and more affordable solutions for organisations with minimal IT staff and resources."