Update 2/13/12 - Added Dynamic Content Compression for Lync Mobility.

The following IIS role services must be installed before attempting to install this product:

• Web Server
  • Common HTTP Features
    • Static Content
    • Default Document
    • Directory Browsing
    • HTTP Errors
    • HTTP Redirection
  • Application Development
    • ASP.NET
    • .NET Extensibility
    • Internet Server API (ISAPI) Extensions
    • ISAPI Filters
  • Health and Diagnostics
    • HTTP Logging
    • Logging Tools
    • Request Monitor
    • Tracing
  • Security
    • Windows Authentication
    • Client Certificate Mapping Authentication
    • Request Filtering
  • Performance
    • Static Content Compression
    • Dynamic Content Compression
  • Management Tools
    • IIS Management Console
    • IIS Management Scripts and Tools 

To make installing the role services easier, here is the ServerManagerCmd.exe command for Windows 2008:

ServerManagerCmd -i Web-Static-Content Web-Default-Doc Web-Dir-Browsing Web-Http-Errors Web-Http-Redirect Web-Asp-Net Web-Http-Logging Web-Log-Libraries Web-Request-Monitor Web-Http-Tracing Web-Windows-Auth Web-Client-Auth Web-Filtering Web-Stat-Compression Web-Dyn-Compression Web-Mgmt-Console Web-Scripting-Tools

For Windows 2008 R2, open a PowerShell command window as Administrator and run the following commands:

Import-Module ServerManager
Add-WindowsFeature Web-Static-Content,Web-Default-Doc,Web-Dir-Browsing,Web-Http-Errors,Web-Http-Redirect,Web-Asp-Net,Web-Http-Logging,Web-Log-Libraries,Web-Request-Monitor,Web-Http-Tracing,Web-Windows-Auth,Web-Client-Auth,Web-Filtering,Web-Stat-Compression,Web-Dyn-Compression,Web-Mgmt-Console,Web-Scripting-Tools