In addition to server role changes and changes to security features, the Windows Server® 2008 operating system also provides new and updated functionality to the following features:

• Failover Clustering
  
• Group Policy
  
• Network Load Balancing Improvements
  
• Next Generation TCP/IP Protocols and Networking Components
  
• Volume Activation 2.0
  
• Windows Firewall with Advanced Security
  
• Windows PowerShell
  
• Windows Reliability and Performance Monitor
  
• Windows Server Troubleshooting Documentation
  
• 802.1X Authenticated Wired and Wireless Access