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Application Request Routing (ARR) - HTTP Error 400.0 - Bad Request

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This articles has been moved to its new home here: https://benperk.github.io/msdn/2012/2012-10-application-request-routing-arr-http-error-400-0-bad-request.html

I was working on setting up an ARR solution the other day and I ran into this error, and shown in Figure 1.

The request cannot be routed because it has reached the Max-Forwards limit.  The server may be self-referencing itself in request routing topology.

Figure 1, HTTP Error 400.0 - Bad Request

The message pretty much explains the issue.  I had added the server that was hosting my ARR instance to the list of servers that were going to manage the load.  Figure 2 shows that on my server WIN-99*** where I had installed ARR, that I had included that same server in the Servers list.

Figure 2, ARR Servers list

I removed the WIN-99*** from the list and the request was routed to the other server.  I later added additional servers to the Servers list so that the load is balanced across more than a single instance.

Comments

  • Anonymous
    May 18, 2014
    Hi Benjamin,I have only one server listed as "locahost". But still getting the same error. Can you help??
  • Anonymous
    July 29, 2015
    You might consider asking the same on the IIS forums here: http://forums.iis.net/