“an existing connection was forcibly closed by the remote host” fix?

This error mainly comes up with, when you have any kind of socket connection you have established in your application. There are many reason for this error . could be some internal factor or because of some external factor. So identify that is the main challenges here in this case.Even couple of days back I had faced this same issue ,and I went through couple of post and blogs unfortunately nothing helped.So here I will explain the general causes for this issue and the one which I had faced.Here we will see how to fix “an existing connection was forcibly closed by the remote host”?

In my case .. I was having a .net mvc application which will be consuming AX services and displaying the data . The application was working fine when I was running it from visual studio. But Its throwing the error “An existing connection was forcibly closed by the remote host ” once after I hosted it in IIS.

fix.

  • “The network link between the client and server is going down for some reason”.
    Change the authentication mode and check once again, in my case I had disabled the anonymous authentication and enabled the Windows authentication. Then it start working.
  • You are sending malformed data to the application, verify that the data you are sending is in proper format which can be accessed by the services.
  • Verify the service and make sure it is not crashing , for that you can make use of fiddler, postmaster. etc.
  • Try to access the wsdl from your browser.
  • Make sure that the firewall is not playing a role in between.
  • If its TCP binding then try this as well
    <binding name=”xxxxxx” transferMode=”Streamed”
    maxBufferPoolSize=”524288″ maxBufferSize=”2147483647″ maxReceivedMessageSize=”2147483647″ />

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