HTTP Error 500.23 - Internal Server Error in ASP.Net deployment

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Got HTTP Error 500.23 - Internal Server Error, Error Code 0x80070032
My application in IIS 7's, the Default Site
Application Pool: DefaultAppPool (.Net FW: V4.0, Managed Pipeline: Integrated, Identity: NetworkService)
Then I tried:
Application Pool: Classic .NET AppPool (.Net FW: V4.0, Managed Pipeline: Integrated, Identity: ApplicationPoolIdentity)
Meanwhile, in Web.config (refer to http://stackoverflow.com/questions/14925383/http-error-500-23-internal-server-error-local-iis-web-serve ), add

HTML

<system.webServer>
  <validation validateIntegratedModeConfiguration="false"/>
</system.webServer>

The error is still the same. Wish to get some hints for the solution. Appreciate!

Posted 28-Mar-14 8:33am

Member 10454592

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Sampath Lokuge · Answer 1 · 2014-03-29T01:44:00

Solution 1

Please check below link also.

Note : You have to restart the application pool after the below changes.

HTTP Error 500.23

Posted 29-Mar-14 1:44am

Sampath Lokuge

Schatak · Answer 2 · 2014-03-29T02:20:00

This error is generally occurs by ValidateConfigurationModule when it detects that system.webServer/validation validateIntegratedModeConfiguration equal true and there is some configuration in httpHandlers or httpModules section which is not picked in integratedMode or system.web/identity@impersonate is set to true which is also not effective in integratedMode. You can follow the suggestions in the error message to migrate the configuration so that your managed modules/handlers work in integrated and classic mode both.

Member 10454592 · Answer 3 · 2014-03-31T02:38:00

Changed IIS DefaultAppPool's settings as follows:
Net FW: V4.0
managed Pipeline: Integrated
Identity: ApplicationPoolIdentity
Also in web.config, add

<pre lang="HTML">
  <system.webserver>
    <modules runallmanagedmodulesforallrequests="false" />
    <validation validateintegratedmodeconfiguration="false" />
  </system.webserver>

The Error 500.23 was gone for one (Asp Web Application) of deployed projects, but for another project (Asp Dile System) in the same IIS folder, got Configuration Error at

<pre lang="HTML">
<authentication mode="Windows" />

I am continuing the debugging on that in this project. Thanks to the reviewers, esp. those who provided comments or solutions feedbacks.

HTTP Error 500.23 - Internal Server Error in ASP.Net deployment

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