In addition to the Internet Information Services (IIS) requirements for running Communicator Web Access on a Windows 2008 computer, the following procedures are also required:

• Walkthrough: Install Windows Process Activation Service on a Windows 2008 computer
  
  
• Walkthrough: Install Internet Information Services (IIS) 7.0
  
  

For additional details about configuring IIS, see Configuring Internet Information Services for Communicator Web Accessin the Deploying Communicator Web Access (2007 R2 Release) documentation.