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Telerik.Web.UI.WebResource.axd throws 500 Internal Server Error

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Sunil
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Sunil asked on 27 Jun 2011, 06:37 PM
When the Grid is loaded 

The below mentioned calls fails. I have deployed my site in IIS7 in classic mode.
GET http://localhost:12000/Telerik.Web.UI.WebResource.axd?_TSM_HiddenField_=RadScriptManager1_HiddenField&_TSM_CombinedScripts_=%3b%3bTelerik.Web.UI%2c+Version%3d2008.1.415.20%2c+Culture%3dneutral%2c+PublicKeyToken%3d121fae78165ba3d4%3aen-US%3a7430ed72-7698-4d11-b25c-4354604bd0be%3a393f5085%3a34f9d57d%3ac6335cbd%3aa8595f70%3a4b6f7e66%3a80ec1d93%3aa9723048%3a9703c1f0%3aa3f85c94%3a819163f9%3abdca08ad%3a6f2bcae9%3a414de951 500 (Internal Server Error)
Also,

My config file looks as shown below:-

<add path="Telerik.ReportViewer.axd" verb="*" type="Telerik.ReportViewer.WebForms.HttpHandler, Telerik.ReportViewer.WebForms" validate="true"/>
<add path="Telerik.Web.UI.WebResource.axd" verb="*" type="Telerik.Web.UI.WebResource, Telerik.Web.UI" validate="false"/>



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Princy
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answered on 28 Jun 2011, 05:38 AM
Hello Sunil,

Check out the following help document.
Web Resources Troubleshooting.

Thanks,
Princy.
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Mikhail Diatchenko
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answered on 22 Dec 2011, 09:01 PM
Hi,

Did you find a solution? I'm having the same problem and can't figure out what's causing it. I've registered the handlers and IIS is configured properly, but sill getting 500 error.
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N
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answered on 03 Jan 2012, 04:02 PM
Hi! Does anybody find a solution? I'm having the same problem. I'm getting 500 error when was used telerik radgrid.

Thanks, Nick
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Nathan
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answered on 01 Feb 2012, 03:02 AM
Nick,

Your error might be due to a new Microsoft security update that was released December 29, 2011.  I found the following blog that solved my issue.

http://www.acumen-corp.com/Blog/tabid/298/EntryId/8/ASP-NET-Error-ThrowIfMaxHttpCollectionKeysExceeded.aspx

The main idea is that MS made a change to attempt to prevent DOS (Denial of Service) attacks by limiting the data elements in a site to 1,000.  For one of my extremely data-rich applications, I blew past this limit.  The resulting error is not very detailed and only shows that a 500 error occurred.
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Nicolas
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answered on 23 Oct 2012, 12:25 PM
Did you find the solution? Could you give us which one is it
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Thomas
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answered on 11 Nov 2014, 05:43 PM
<dependentAssembly>
  <assemblyIdentity name="System.Web.Http" publicKeyToken="31bf3856ad364e35" culture="neutral" />
  <bindingRedirect oldVersion="0.0.0.0-5.2.2.0" newVersion="5.2.2.0" />
</dependentAssembly>
<dependentAssembly>
  <assemblyIdentity name="System.Net.Http.Formatting" culture="neutral" publicKeyToken="31bf3856ad364e35"/>
  <bindingRedirect oldVersion="0.0.0.0-5.2.2.0" newVersion="5.2.2.0"/>
</dependentAssembly>

I missed this code in my "Web.config" file. I hope it helps someone!
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Sunil
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Princy
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Mikhail Diatchenko
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N
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Nathan
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Nicolas
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Thomas
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