For the small to medium business USS recommends Microsoft SBS. Windows Small Business Server is an all-in-one server solution designed to help you keep your data more secure and your company more productive. It provides many features that large companies use, such as email, Internet connectivity, internal websites, remote access, support for mobile devices, file and printer sharing, document collaboration and backup and restore functionality—all at one price.

Microsoft SBS 2011 Standard offers some of the following:

-Microsoft Exchange
-Microsoft SharePoint
-Enterprise Level Backup Functionality
-Easy to use Administration Console
-Simple to use File & Print sharing
-Windows Update Monitoring & Deployment
-Group policy for security and customisations
-Latest Security Implementations
-Client Monitoring
-Network Inventory
-Based on the latest server release MS Server 2008R2
-Remote Web Access
-Remote Mail Access

If Microsoft SBS 2011 Premium is purchased businesses will get an additional feature set of “Microsoft Hyper-V” and “Microsoft SQL Server 2008R2″

However if you desire a more streamlined varient of Microsoft SBS, Microsoft offer Microsoft SBS Essentials which caters for up to 25 Users and has a slightly more streamlined functionality and is designed to provide a cost-effective and easy-to-use solution to help protect data, organize and access business information from virtually anywhere, support the applications needed to run a business and quickly connect to online services for email, collaboration and customer relationship management (CRM).

MS SBS Essentials offers:

-Effortless printer sharing
-Easy file sharing and storage
-Automated PC backup capabilities
-Remote access for anywhere, anytime access to files and applications
-The ability to easily utilize and manage cloud services, such as Microsoft® Office 365 or off-site cloud backup for disaster recovery purposes
-A simplified management wrapper using a dashboard for day-to-day management
-The ability to utilize the SBS 2011 Premium Add-on, providing a separate installation of Windows Server® 2008 R2 Standard and access to all the technologies this can provide, such as Hyper-V™ and Remote Desktop Services, plus SQL Server® 2008 R2 for Small Business — a full installation for LOB support