Acronym of Application Request Routing - an extension for IIS7.0+ to load balance HTTP requests to multiple web servers.

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How to set up ARR in active/passive (aka failover) mode?

The Problem I am trying to configure several web farms (for different sites) following the NLB+ARR architecture. Let's say I have 6 VMs: ARR+NLB cluster of 2 VMs. It receives traffic and forwards ...
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90 views

Multiple Websites on Multiple Servers behind One Public IP

Brief I’m currently working on a project to bring two of our hosted servers (one email, one web) in-house to run alongside our other web server. Hosting one web server is fairly straightforward, but ...
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12 views

Distinguishing called URL for response rewriting for tomcat app via IIS ARR reverse proxy

Hi to the community at Serverfault! I have an issue while trying to configure my IIS to open the respective manager APP on two Tomcat Servers on the same machine. When I call the sites directly via ...
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20 views

POST of large file is timing out, when running through ARR

When POST'ing a large file through ARR, the request times out after 120 seconds. The client recieves error code 502 Bad Gateway. I have configured the "proxy timeout" of the web farm to be 600 ...
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27 views

Load balance and contingency server

everyone. I'm having trouble setting up a load balancing/contingency server. My scenario: I have 2 servers (Windows 2012 R2 machines) to run an application in ASP.Net/C#. My problem: Would I like to ...
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17 views

How to set server in a server farm unhealthy in IIS7 automatically when requests are not served?

I am using ARR and URL Rewrite to route incoming requests to server farm. I have added two servers to server farm. If one of the servers is either not in network or shut down, the IIS console still ...
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34 views

Access Server Farm trough sub-directory (for TeamCity)

In IIS I have a Website subdomain.example.com configured which is bound to the same address. On this Website are Applications running and they can be accessed via subdomain.example.com/app1. Now ...
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124 views

ARR and URL rewrite for node express website for iis server

I have an express.js website running on my localhost in my Webserver (IIS8.5). When I use ARR and url rewrite to point to localhost port 3000 where my express website is, I can access part of it from ...
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68 views

Simulate load balancing on localhost using IIS and Application Request Routing

I want to simulate website load balancing on my development machine using IIS and Application Request Routing. I was able to "load balance" between two external sites, but trying to do the same with ...
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28 views

Microsoft Application Request Routing (ARR) routing condition from HTTP body

I want to build the following system, but want to route depending of the HTTP body, in my case SOAP messages. Is that possible and how? These are the available HTTP headers and server variables, ...
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133 views

Authentication fails when using ARR to load balance Lync 2013 internal web services

I'm using Application Request Routing 3.0 on Windows Server 2012 R2 to load balance the internal web services on a Lync 2013 front-end pool; I'm not using it to reverse proxy the external web services ...
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33 views

IIS Setup Redirect traffic from webserver to app server

I have done quite a few setup which involved hosting applications in IIS and configuring them accordingly, but now I have a different situation ... I have 2 web servers which don't host any ...
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287 views

IIS ARR pass-through Windows authentication does not work

I have a similar problem as described here: ARR 3 IIS 7.5 Windows Authentication not working Unfortunately that solution does not work on our servers. In our test environment we have an ARR server ...
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39 views

Mixed Sessions ASP Classic IIS 7.5 ARR

I have an ASP Classic application running in IIS 7.5 across three servers using ARR for load balancing. The load balancer is configured to use sticky sessions using cookies with a round robin policy. ...
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26 views

How to cache 404/500 pages with IIS ARR

I have been trying to set up ARR with IIS, but I can't find any clue how to make it cache 404 and other error pages locally as well. Is there a setting or workaround for that anywhere or something? ...
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45 views

Configuring location redirects for IIS, behind ARR, on the application server

I have a WebForms application where a particular program no longer exists. Instead of returning a 404 response, the client insists they want this particular link to redirect to another page on the ...
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306 views

outbound rule IIS Application Request Routing and URL Rewrite to properly replicate Apache ProxyPass ProxyPassReverse?

EDIT: See end of post on that a ReverseProxy Outbound rule is needed. With Apache ProxyPass and ProxyPassReverse one can add the following to the Apache config of serverA: ProxyPass /foo ...
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84 views

Delayed requests when using ARR with IIS 8.0 on Windows 2012

I've got a setup on Windows Server 2012 R2, using IIS8.0 which passes certain requests through to a custom backend using Application Request Rerouting. The backend is only listening on IPv4 on port ...
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59 views

Application Request Routing and Throttling

We have a set of WCF services that are proxying calls to another web service layer built on top of IBM WebSphere. The WebSphere setup is a black box to us, but we're told that we need to throttle ...
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46 views

filter requests based on path using ARR w/ IIS 7.5, on the site level

I've got two sites configured on different ports, one for public and one for trusted connections. I've got filters on URLs within the ARR settings, for some internal URLs that shouldn't be proxied ...
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35 views

Routing 1 ARR to Mutliple WebFarms

I'm using Windows 2008 R2 with Application Request Routing 3.0. I've got my ARR box that is routing currently to 1 Web Farm, that comprises of a few servers. I can create a 2nd Web Farm, but I can't ...
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124 views

Windows ARR - webmail (almost) working while autodiscover is not

On a 2012R2 server, I installed ARR, following technet and other good post. I work with Exchang 2010. I have two farms : webmail.aze.fr autodiscover.aze.fr I have a wildcard cert on the IIS ...
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111 views

iis reverse proxy: one default server and a fall-back

After spending dozens of hours to no avail, I am now asking for help with my IIS issue. I use IIS as a reverse proxy, which provides HTTPS encryption and authentication. The public site is, say, ...
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301 views

NLB ARR cross-node setup

Given: one ASP.NET web application 2 Windows servers with IIS installed (no more servers allowed) I want to enable load balancing / failover for that application, on both server and application ...
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327 views

IIS 7.5 Reverse Proxy URL Re-Write to website with gzip

If we own www.ourdomain.com and wanted to rewrite the url to say www.google.com, how would we deal with gzip compression on say the google domain. I'm trying to do a proof of concept and i believe the ...
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717 views

IIS 8.5 Outbound rewrite rules cannot be applied when the content of the HTTP response is encoded (“gzip”)

I'm configuring IIS to work as a proxy in front of several java web servers. I know that static compression cannot be enabled when using rewrite rules because the outbound rule won't work. There are ...
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2k views

ARR 3 IIS 7.5 Windows Authentication not working

We have been spinning our wheels trying to get windows authentication working through ARR. We've created a new domain account (appservices) ARR Server (srvarr) using default app pool with user set ...
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237 views

IIS reverse proxy with caching to same host

I'm trying to get IIS to act as caching reverse proxy, but the cache hit is always 0%. And I really cannot tell why. And the docs always talk of a server farm setup, which is clearly not what I want. ...
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1k views

IIS URL Rewrite and Reverse Proxy

I have a reverse proxy rule that forwards all requests to a specific subdomain to an internal server and everything works great. <rule name="cloud.domain.com" enabled="true" ...
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161 views

IIS8 and ARR 3.0 using different SSL certificates

We would like to use our expensive company named SSL certificate on the ARR load balance server and rewrite URLs to the content (web)servers which will use a general wildcard SSL certificates. Is this ...
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197 views

IIS and ARR least response time algorithm sample duration

When choosing the load balance algorithm Least Response Time we can set a sample duration (seconds). I could not find a description of the functional use of this parameter with the least response time ...
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163 views

Does Application Request Routing utilize SSL sessions when connecting to content servers?

In the scenario where ARR is configured to use SSL/TLS to connect to the content servers, does it utilize SSL sessions (e.g., session identifiers as specified in RFC 5246) so that subsequent ...
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338 views

Reverse Proxy Authentication in Internet Explorer

I am using IIS ARR as a reverse proxy for Team Foundation Server 2013. When I use Firefox and Chrome I get prompted for a password, enter it, and gain access to the correct site. However, when I use ...
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Can I set up IIS 8 to reverse proxy some POSTs to an external server?

I've pointed www.myoldsite.com to a new IP address, and that IP address hosts www.mynewsite.com on IIS8. I'm trying to reverse proxy some POSTs back to www.myoldsite.com via ARR but I'm not able to ...
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747 views

ARR - dynamically disable disk caching for certain requests (authenticated users)

This is about Application Request Routing and dynamically disabling disk caching for certain requests (where the requests come from authenticated users; whether they're authenticated can be decided by ...
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715 views

IIS ARR and SharePoint 2013

I am trying to access SharePoint 2013 over the internet using an IIS ARR for rewriting and SSL offloading. Currently, when I access SharePoint via my internal network using the following URL ...
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132 views

truncating compressed files on some browsers

I am experiencing a weird file truncation issue on downloads from my site. I am using Azure IIAS with two Application Request Routing servers on a load balanced Azure endpoint. Those ARR servers are ...
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692 views

ARR troubleshooting 502.3 / WinHttp tracing on Server 2012

I have the following scenario: 3 windows server 2012 virtual servers, all with IIS 8: 1 server with Application Request Routing 3 2 servers with the web applications that the ARR server routes to ...
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435 views

ARR reverse proxy to Azure Website inside Azure Cloud Service

I am trying to rewrite www.contoso.com/blog/ to a wordpress Azure Website (contosoblog.azurewebsites.net). I have completely configured all inbound and outbound rules, and have tested them locally on ...
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323 views

IIS 7 ARR v3.0 URL Rewrite Different Domain

I need to take requests to firstdomain.com/example/foo/bar and serve up content from seconddomain.com/example/foo/bar but I want the end user to still see firstdomain.com/example/foo/bar in their ...
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232 views

(Chrome/IE) 502.3 error encountered when POST-ing a file to an SSL-enabled IIS server running ARR that routes to JBoss

I am trying to get a file upload function to work on my site. It basically POSTs an image + image_id to the server. The server is running IIS7 with ARR. I have JBoss AS 7 running in the server as ...
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868 views

Can a URL Rewrite condition compare two server variables?

I am trying to compare two server variables as part of a URL rewrite condition. But first, some context... In IIS, if you request http://www.example.com/foo and foo is a directory, IIS sends a 302 ...
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770 views

IIS server farm with multiple websites

I'm trying to set up an iis server farm with multiple websites. I have a ControlServer that should redirect requests and manage load balancing for two similar iis web servers. These web servers ...
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136 views

Application Request Routing on a hyper-v guest intermittently stops

Short description: I'm having a weird problem configuring ARR on a hyper-v guest. I can load my DotNetNuke/ASPx sites normally, but after some time of inactivity, the pages are not loaded anymore. ...
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229 views

Application Request Routing server requirements

I'm exploring the possibility of implementing ARR for a basic webfarm. For the foreseeable future there will be at most 500-1000 users during peak usage. The site is for OLTP -- no content ...
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927 views

Internal server error trying to overwrite response host name using ARR IIS module

I have atlassian jira version 5 bug tracker server in my private network with domain name bt01.private.com. I want to publish this server to internet using application request routing iis module. I ...
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273 views

How Application Request Routing(ARR) will work with IIS Web Services

I currently have 2 servers on Which nlb and application pools are running .Since the nlb doesn't recognize, that if an application pool has failed, it sends the request even when an application pool ...
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118 views

IIS 7+ Application Request routing balance between two different sites on the same box

I am looking to setup request routing on a single server. 1 incoming hostname (www.mysite.com) 2 websites (www1.mysite.com and www2.mysite.com) load spread evenly between them. This is purely so ...
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707 views

Reverse proxy in IIS to local TomCat

IIS has several websites: domain1.com a.domain2.com b.domain2.com There is also a TomCat running on localhost:8087 The challenge is how to expose the TomCat externally as b.domain2.com ...
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106 views

Benefits of ARR in a load balanced environment (Azure)?

I've built a simple IIS 8 web farm on Azure VMs. The web farm has 3 instances (Windows Server 2012) using shared configuration. The load balancing is handled by the Azure's built-in load balancer. ...