Microsoft Download Center Archive

Enterprise Library 3.1 - May 2007

  • Published:
  • Version: 3.1
  • Category: SDK
  • Language: English

This release of Enterprise Library includes: Caching Application Block, Cryptography Application Block, Data Access Application Block, Exception Handling Application Block, Logging Application Block, Policy Injection Application Block, Security Application Block and Validation Application Block.

  • The patterns & practices Enterprise Library is a library of application blocks designed to assist developers with common enterprise development challenges. Application blocks are a type of guidance, provided as source code that can be used "as is," extended, or modified by developers to use on enterprise development projects. This release of Enterprise Library includes application blocks for Caching, Cryptography, Data Access, Exception Handling, Logging, Policy Injection, Security and Validation.


Status: Live

This download is still available on The downloads below will come directly from the Microsoft Download Center.

Enterprise Library May 2007.msi
SHA1: d65abf3b26866b47ffa94efdcc54dd1a4a5f487e
21.48 MB

File sizes and hashes are retrieved from the Wayback Machine’s indexes. They may not match the latest versions of files hosted on Microsoft servers.

System Requirements

Operating Systems: Windows Server 2003, Windows Vista, Windows XP

  • Note: If you already have the Enterprise Library 3.0 installed, you must uninstall it before installing the Enterprise Library 3.1. However, you can install the Enterprise Library 3.0 or the Enterprise Library 3.1 when 2.0 is already installed.

    • Microsoft .NET Framework 2.0 or 3.0. You need .NET Framework 3.0 for the
      Application Block Software Factory and the WCF adapters for the Validation
      Application Block and Exception Handling Application Block

    • Microsoft Visual Studio 2005 development system (any of the following

      • Microsoft Visual Studio 2005 Standard Edition

      • Microsoft Visual Studio 2005 Professional Edition

      • Microsoft Visual Studio 2005 Team Edition for Software Developers

      • Microsoft Visual Studio 2005 Team Edition for Software Testers

      • Microsoft Visual Studio 2005 Team Edition for Software Architects

      • Microsoft Visual Studio 2005 Team Suite

    • To use the Application Block Software Factory and the Strong-Naming
      Guidance Package, you need the Guidance Automation Extensions (GAX). To
      modify these guidance packages, you also need the Guidance Automation
      Toolkit (GAT).

    • Some blocks and samples require the use of Microsoft SQL Server or other
      database products.

    • Visual Studio Team System or NUnit 2.2 is required if you want to
      execute unit tests.

Installation Instructions

    1. Click the 'Download button' to commence the download

    2. Once the download dialog appears, do one of the following:

      1. To start the installation immediately, click Open or Run this program from its current location.

      2. To copy the download to your computer for installation at a later time, click Save or Save this program to disk. Once you are ready to install Enterprise Library, double-click on the saved file

    3. Follow the instructions in the installer program, including accepting the End User Licensing Agreement

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