How do I enable Application Request Routing Cache in IIS?

Follow the steps outlined in this document to install ARR Version 2.
  1. Step 1 – Configure primary disk cache location(s) …
  2. Step 2 – Configure secondary disk cache location. …
  3. Step 3 – Enable disk cache. …
  4. Step 4 – Verify functionality. …
  5. Step 5 – Verify the cache functionality using IIS Manager.

How does Arr work IIS?

Microsoft Application Request Routing (ARR) for IIS 7 and above is a proxy-based routing module that forwards HTTP requests to content servers based on HTTP headers, server variables, and load balance algorithms. ARR can be used to: Increase application availability and scalability.

How do I know if ARR is installed?

Check if you have ARR extension
  1. Open “Command Prompt”
  2. Go to “inetsrv” folder (%systemroot%\system32\inetsrv\)
  3. Type this command: appcmd.exe list modules “ApplicationRequestRouting” . If ARR is installed, it will return the module name. If it is not installed, nothing will be returned.

How do I enable Application Request Routing in IIS 10?

Open the feature (double click) and you should see cache settings. The proxy feature however, is located on the right hand side under Actions – Proxy – Server Proxy Settings. Click that link and there you now have an option to enable the (reverse) proxy feature of ARR.

How do I enable POST request in IIS?

From inside the IIS management screen right click on your website or virtual directory. Go to Properties then go to the Home Directory or Virtual Directory tab and click on the Configuration button. From there you can add/update extensions and what Verbs are accepted.

How does Application Request Routing work?

Application Request Routing (ARR) is an extension to Internet Information Server (IIS), which enables an IIS server to function as a load balancer. With ARR, an IIS server can be configured to route incoming requests to one of multiple web servers using one of several routing algorithms.

How are HTTP requests handled by IIS?

Protocol listeners receive protocol-specific requests, send them to IIS for processing, and then return responses to requestors. For example, when a client browser requests a Web page from the Internet, the HTTP listener, HTTP. sys, picks up the request and sends it to IIS for processing.

What is Arr in Azure?

Application Request Routing (or ARR) is probably one of the least talked about but critically important technologies used across Microsoft and helps power things such as Windows Azure Web Sites,, and many other high volume, critical applications.