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Editorial Team
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Asked: 2026-05-14T06:12:19+00:00

<httpHandlers> <add path=ajaxpro/*.ashx verb=POST,GET type=AjaxPro.AjaxHandlerFactory, AjaxPro.2 /> <add path=Reserved.ReportViewerWebControl.axd verb=* type=Microsoft.Reporting.WebForms.HttpHandler, Microsoft.ReportViewer.WebForms, Version=9.0.0.0, Culture=neutral,

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<httpHandlers>
  <add path="ajaxpro/*.ashx" verb="POST,GET" type="AjaxPro.AjaxHandlerFactory, AjaxPro.2" />
  <add path="Reserved.ReportViewerWebControl.axd" verb="*" type="Microsoft.Reporting.WebForms.HttpHandler, Microsoft.ReportViewer.WebForms, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" validate="false" />
  <remove verb="*" path="*.asmx" />
  <add verb="*" path="*.asmx" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
  <add verb="*" path="*_AppService.axd" validate="false" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
  <add verb="GET,HEAD" path="ScriptResource.axd" validate="false" type="System.Web.Handlers.ScriptResourceHandler, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
</httpHandlers>

I have a problem with iis7.5 in integrated mode. When I use it in classic mode handlers that presented above work fine, but if I switch to the integrated pipeline – all requests that should be handled return 404 error. Why?

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1 Answer

  1. Editorial Team

    I could be miles off here because I’m as far from an IIS expert as it’s possible to be, but I came across your question since I too am having trouble with IIS7 in integrated mode. One thing I notice is that you’re using the httpHandlers section, which sits in system.web. However, I think for integrated mode you need to use the system.webServer section:

    <system.webServer>
   <handlers>
      <add... >
   </handlers>
</system.webServer>

    Hopefully someone who knows what they’re talking about will correct me if I’m wrong.

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