AppLocker is a new feature in Windows Server 2008 R2 and Windows 7 that advances the features and functionality of Software Restriction Policies. AppLocker contains new capabilities and extensions that allow you to create rules to allow or deny applications from running based on unique identities of files and to specify which users or groups can run those applications.

The AppLocker Technical Reference contains the following subjects:

• AppLocker Technical Overview
  
  
  • What Is AppLocker?
    
    This topic describes what AppLocker is and how its features differ from Software Restriction Policies.
    
    
  • Requirements to Use AppLocker
    
    This topic lists software requirements to use AppLocker in Windows Server 2008 R2 and Windows 7.
    
    
  • When to Use AppLocker
    
    This topic describes the scenarios and applications in which AppLocker is useful.
    
    
  • AppLocker Policy Use Scenarios
    
    This topic lists the various application control scenarios in which AppLocker policies can be effectively implemented.
    
    
• AppLocker Technical Architecture
  
  
  • How AppLocker Works
    
    This topic explains how the application identity service and the AppLocker engine work to set and enforce policies.
    
    
  • AppLocker Architecture and Components
    
    This topic describes the components that AppLocker uses for creating and applying application control policies.
    
    
  • AppLocker Processes and Interactions
    
    This topic explains how AppLocker processes policies for both auditing and enforcing each rule collection type.
    
    
  • AppLocker Functions
    
    This topic lists the functions and security levels for the Software Restriction Policies and AppLocker policies beginning with Windows Server 2003.
    
    
• Security Considerations for AppLocker
  
  This topic describes the threats and vulnerabilities to AppLocker and how you can mitigate them.
  
  
• Tools to Use with AppLocker
  
  This topic lists and describes the tools available to evaluate, review, create, modify, and test AppLocker policies.
  
  
• AppLocker Settings
  
  This topic lists the relevant Windows operating system settings for AppLocker.
  
  
• AppLocker PowerShell Command Reference
  
  This topic introduces and provides links to the Windows PowerShell cmdlets that can be used to help manage AppLocker policies in Windows Server 2008 R2 and Windows 7.