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Microsoft Application Request Routing (ARR) for IIS7 is a proxy based routing module that forwards HTTP requests to application servers based on HTTP headers and server variables, and load balance algorithms. ARR Version 2.5 improves the performance and scalability of disk caching features in ARR.

• Microsoft Application Request Routing (ARR) for IIS 7 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 2.5 is an incremental release that includes all of the features from version 1 and 2. ARR version 2.5 improves the performance and scalability of disk caching features in ARR.
• ARR Version 1 scenarios.
• ARR Version 2 scenarios.

Files

Status: Deleted This download is no longer available on microsoft.com. The downloads below are archives provided by the Internet Archive Wayback Machine from the Microsoft Download Center prior to August 2020.

File	Size
ReadMe.txt SHA1: 00b5662351eda1e2c1e10de1f892590c6a23af65	759 bytes

• Internet Information Services 7.0 or newer must be installed.

• Important: ARR Version 2.5 supports upgrading from ARR Version 1 and from ARR Version 2. If any other version of ARR is already installed, such as a pre-RTW release, uninstall both ARR and URL Rewrite before proceeding. Note that the corresponding configurations will be lost.