Microsoft maintains a portal site full of information for IT professionals. It's a good resource, especially for Windows server and desktop administrators. Want some recent highlights for IT Pros?
System Center Configuration Manager (previously Systems Management Server) offers robust capabilities which allow you to manage servers, clients, and handheld devices, across physical, virtual, distributed, or mobile systems--all from a single, familiar console.
Junk e-mail can overwhelm businesses and undermine the benefits of e-mail as a communication tool. Exchange Hosted Filtering is a single solution that provides anti-spam and antivirus protection, policy enforcement, and basic disaster recovery functionality.