An ASP NET setting has been detected that does not apply in Integrated managed pipeline mode

Question

I Installed DotNetOpenAuth SDK-3 4 5 10201 vsix and I can t get it working  It works locally  when I run as localhost  but when i try to publish it ain t working    The IIS error message I get is      Error Summary     HTTP Error 500 22 - Internal Server Error     An ASP NET setting has been detected that does not apply in Integrated managed pipeline mode    AND   Module       ConfigurationValidationModule   Notification BeginRequest   Handler      StaticFile   Error Code   0x80070032      then there are some suggestions on how to solve the problem   Things you can try         Migrate the configuration to the      system webServer modules section  You      can do so manually or by using AppCmd      from the command line - for example        SystemRoot  system32 inetsrv appcmd      migrate config  Default Web Site         Using AppCmd to migrate your      application will enable it to work in      Integrated mode  and continue to work      in Classic mode and on previous      versions of IIS    If you are certain that it is OK to      ignore this error  it can be disabled      by setting      system webServer validation validateIntegratedModeConfiguration      to false      Alternatively  switch the application      to a Classic mode application pool -      for example        SystemRoot  system32 inetsrv appcmd      set app  Default Web Site         applicationPool  Classic  NET      AppPool   Only do this if you are      unable to migrate your application        Set  Default Web Site  and  Classic  NET AppPool  to your application path and application pool name       But the problem is that I don t have access to the ISS server as I am not the owner of it  Is there any way to solve this

User · Answer

I ran into this problem and inspired by @Jeremy Cook's answer, I bit the bullet to find out what the heck caused IIS 7 Integrated mode to not like my web.config. Here's my scenario:

Web API (version 4.0.030506.0 aka the old one)
.NET 4.0
Attribute Routing 3.5.6 for Web API [spoiler alert: it was this guy!]

I wanted to use attribute routing in a project that (unfortunately) had to use .NET 4 and hence could not use Web API 2.2 (which needs .NET 4.5). The well meaning NuGet package added this section under the <system.web> section:

<system.web>
<httpHandlers>
      <add verb="*" path="routes.axd" type="AttributeRouting.Web.Logging.LogRoutesHandler, AttributeRouting.Web" />
    </httpHandlers>
</system.web>

[I say well meaning, because this part is required on older versions of IIS]

Removing this section got me past the HTTP 500.23!!

Summary: I second Jeremy's words that it is important to understand why things don't work rather than just "masking the symptom". Even if you have to mask the symptom, you know what you are doing (and why) :-)

User · Answer

This worked for me    Delete the originally created site  Recreate the site in IIS Clean solution Build solution   Seems like something went south when I originally created the site   I hate solutions that are similar to  Restart your machine  then reinstall windows  without knowing what caused the error   But  this worked for me   Quick and simple   Hope it helps someone else

User · Answer

It took me few hours to solved this because all off the settings that I found here about this error were the same but it still didn t work   The problem was tha I had a folder in my web service from which the file should be send to WinCE device  after converting that folder to an application with Classic NetAppPool it started to work

User · Answer

In my case i was missing dll in bin folder which was referenced in web config file  So check whether you were using any setting in web config but actually don t have dll   Thanks

User · Answer

The method for local Is the error

User · Answer

I ran into this issue but had a different fix  It involved updating the Control Panel gt Administrative Tools gt IIS Manager and reverting my App site s Managed Pipeline from Integrated to Classic

User · Answer

Check if there is any conflict in your IIS authentication  i e  you enable the anonymous authentication and ASP NET impersonation both might cause the error also

User · Answer

If you still need to use the HTTP Module you need to configure it   NET 4 0 framework  as follows    lt system webServer gt      lt modules runAllManagedModulesForAllRequests  true  gt          lt add name  MyModule  type   Namespace   Class    assembly    gt      lt  modules gt      lt validation validateIntegratedModeConfiguration  false   gt   lt  system webServer gt

User · Answer

In your web config make sure these keys exist    lt configuration gt       lt system webServer gt           lt validation validateIntegratedModeConfiguration  false   gt       lt  system webServer gt   lt  configuration gt    As well as check the Asp Net Impresonation   Disable In IIS Site Authetication

User · Answer

Below step solved my issue   Open CMD Prompt with Admin Privileges   Run   iisreset   Hope this helps

User · Answer

Adding  lt validation validateIntegratedModeConfiguration  false   gt  addresses the symptom  but is not appropriate for all circumstances  Having ran around this issue a few times  I hope to help others not only overcome the problem but understand it   Which becomes more and more important as IIS 6 fades into myth and rumor    Background   This issue and the confusion surrounding it started with the introduction of ASP NET 2 0 and IIS 7  IIS 6 had and continues to have only one pipeline mode  and it is equivalent to what IIS 7  calls  Classic  mode  The second  newer  and recommended pipeline mode for all applications running on IIS 7  is called  Integrated  mode   So  what s the difference  The key difference is how ASP NET interacts with IIS    Classic mode is limited to an ASP NET pipeline that cannot interact with the IIS pipeline  Essentially a request comes in and if IIS 6 Classic has been told  through server configuration  that ASP NET can handle it then IIS hands off the request to ASP NET and moves on  The significance of this can be gleaned from an example  If I were to authorize access to static image files  I would not be able to do it with an ASP NET module because the IIS 6 pipeline will handle those requests itself and ASP NET will never see those requests because they were never handed off   On the other hand  authorizing which users can access a  ASPX page such as a request for Foo aspx is trivial even in IIS 6 Classic because IIS always hands those requests off to the ASP NET pipeline  In Classic mode ASP NET does not know what it hasn t been told and there is a lot that IIS 6 Classic may not be telling it  Integrated mode is recommended because ASP NET handlers and modules can interact directly with the IIS pipeline  No longer does the IIS pipeline simply hand off the request to the ASP NET pipeline  now it allows ASP NET code to hook directly into the IIS pipeline and all the requests that hit it  This means that an ASP NET module can not only observe requests to static image files  but can intercept those requests and take action by denying access  logging the request  etc    Overcoming the error    If you are running an older application that was originally built for IIS 6  perhaps you moved it to a new server  there may be absolutely nothing wrong with running the application pool of that application in Classic mode  Go ahead you don t have to feel bad  Then again maybe you are giving your application a face-lift or it was chugging along just fine until you installed a 3rd party library via NuGet  manually  or by some other means  In that case it is entirely possible httpHandlers or httpModules have been added to system web  The outcome is the error that you are seeing because validateIntegratedModeConfiguration defaults true  Now you have two choices    Remove the httpHandlers and httpModules elements from system web  There are a couple possible outcomes from this    Everything works fine  a common outcome  Your application continues to complain  there may be a web config in a parent folder you are inheriting from  consider cleaning up that web config too  You grow tired of removing the httpHandlers and httpModules that NuGet packages keep adding to system web  hey do what you need to    If those options do not work or are more trouble than it is worth then I m not going to tell you that you can t set validateIntegratedModeConfiguration to false  but at least you know what you re doing and why it matters    Good reads    ASP NET 2 0 Breaking Changes on IIS 7 0 ASP NET Integration with IIS 7 HTTP Handlers and HTTP Modules Overview    Of course there are ways to get all kind of strange things into the ASP NET pipeline from IIS 6 Classic via incantations like wildcard mappings  if you like that sort of thing

User · Answer

The 2nd option is the one you want   In your web config  make sure these keys exist    lt configuration gt       lt system webServer gt           lt validation validateIntegratedModeConfiguration  false   gt       lt  system webServer gt   lt  configuration gt

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