Asp.net application does not start because application pool stopped RSS

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  cfpk11

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  Asp.net application does not start because application pool stopped

  Dec 02, 2012 08:13 AM|LINK

  When I tried to access my web application deployed to iis 7.5, it shows service unavailable, http error 503. By checking application pool, my application pool shows stopped. In IIS config console, asp.net section is missing, only IIS section and Management section are there. I created the application pool by using ServerManager class, also tried using wix, both failed. But if I open iis config console and create a pool manually, my web app works fine. Can you point me how to diagnose this issue? I examined my application pool setting, everything is the same as other application pools.
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  HostingASPNe...

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  Re: Asp.net application does not start because application pool stopped

  Dec 02, 2012 10:53 AM|LINK

  Hello,

  The only logical reason is that you have not the right security permissions. You could check also the Server error logs for some clue.

  You may also ask your question in the http://forums.iis.net, the same login as here.

  Regards

  My favourite site for hosting information - ASP.NET Hosting Services.
  Free ASP.NET Examples and source code.
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  cfpk11

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  Re: Asp.net application does not start because application pool stopped

  Dec 02, 2012 05:10 PM|LINK

  Thanks for your reply! Which security object? Application pool itself is not a security object, the virtual directory is, but the virtual directory works fine with manually created application pool, with the same user/password.
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  cfpk11

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  Re: Asp.net application does not start because application pool stopped

  Dec 02, 2012 06:26 PM|LINK

  Here is the test code

    using (ServerManager sm = new ServerManager())
              {
                  if (sm.ApplicationPools["TestAppPool"] == null)
                  {
                      ApplicationPool appPool = sm.ApplicationPools.Add("TestAppPool");
                      appPool.ManagedPipelineMode = ManagedPipelineMode.Integrated;
                      appPool.ManagedRuntimeVersion = "V4.0";
                      appPool.ProcessModel.IdentityType = ProcessModelIdentityType.ApplicationPoolIdentity;
                
                      sm.CommitChanges();
                  }
  
             
                  Site site = sm.Sites[0];
                  Application app = site.Applications["/TestApp"];
                  if (app == null)
                  {
                      app = site.Applications.Add("/TestApp", "c:\\testapp");
                  }
                  //app.ApplicationPoolName = "TestAppPool"; --> This line does not work
                  app.ApplicationPoolName = "ffff"; --->This line works, ffff is configured in IIS Console
                  
                  sm.CommitChanges();

  }

  Can you tell what problem is?