Microsoft Application Request Routing Version 3 for IIS

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Microsoft Application Request Routing (ARR) 3 for IIS is a proxy based routing module that forwards HTTP requests to application servers based on HTTP headers and server variables, and load balance algorithms.
  • Note:There are multiple files available for this download.Once you click on the "Download" button, you will be prompted to select the files you need.
    Version:

    3.0

    File Name:

    requestRouter_x64.msi

    requestRouter_x86.msi

    Date Published:

    7/26/2013

    File Size:

    1.9 MB

    1.6 MB

      Click the Download button on this page to start the download, then do one of the following:
      • To start the installation immediately, click Open or Run this program from its current location.

      • To copy the download to your computer for installation at a later time, click Save or Save this program to disk.

      Microsoft Application Request Routing (ARR) for IIS is a proxy-based routing module that forwards HTTP requests to application servers based on HTTP headers, server variables, and load balance algorithms.

      ARR Version 3 is an incremental release that includes all of the features from Version 2, and adds the following features:
    • Websocket support

    • Support for application-triggered session affinity opt out

    • failcheck reliability improvements

    • Various bug fixes


    • ARR version 3 and previous released cannot be installed side-by-side.

      More details can be found on www.iis.net
  • Supported Operating System

    Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2

    • Internet Information Services 7.0 or later must be installed
    • For WebSockets support, Internet Information Services 8.0 or later is required, and the WebSockets module must be enabled
    • ARR is dependent on several components:
    • URL Rewrite

    • Web Farm Framework

    • External Cache module


    • Do not attempt to install this package directly due to this dependency. To install ARR and all its components in the appropriate order, use the Microsoft Web Platform Installer (http://www.microsoft.com/web/downloads/platform.aspx) and search for ARR within it. Alternatively, read the following blog post for instructions on installing ARR manually: http://blogs.technet.com/b/erezs_iis_blog/archive/2013/11/27/installing-arr-manually-without-webpi.aspx