IIS Rewrite Stopped Working for specific URL

Question

We are trying to integrate OHIF with Orthanc Server. and We are using MVC application to integrate.

When have installed IIS, Orthanc Server on a EC2 machine.

We have configured IIS rewrite, where we will rewrite of the response of the orthanc server.

This was working fine until few weeks back, Now all of sudden the rewrite is not working for few URL. No code changes done.

Please help us on this.

https://book.orthanc-server.com/faq/iis.html

  <rules>
    <clear />
    <rule name="ReverseProxyInboundRule1" stopProcessing="true">
      <match url="^orthancserver/(.*)" />
      <conditions logicalGrouping="MatchAll" trackAllCaptures="false" />
      <action type="Rewrite" url="http://127.0.0.1:8042/{R:1}" />
    </rule>
  </rules>

All URL Redirect working. And already installed Rewrite Module and I have enabled the proxy too.