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500 Error on new install

Topics: ASP.NET 2.0
Jun 29, 2012 at 12:01 AM

I did a clean install to a shared server of 2.6 (Web) with ASP.NET 4.0 selected for the app pool. This was a newly created domain that has had nothing else on it. I was able to login as admin and went to install a new theme and got a 500 error. Now every page gets a 500 error. I have wiped the entire directory structure and put newly download files in place, yet continue to get the same 500 error. My last attempt I even waited 4 hours to ensure the ASP.NET process restarted.


Error Summary
HTTP Error 500.19 - Internal Server Error
The requested page cannot be accessed because the related configuration data for the
page is invalid.
Detailed Error Information
Module        IIS Web Core
Notification        Unknown
Handler        Not yet determined
Error Code        0x80070032
Config Error        The configuration section 'system.web.extensions' cannot be read
because it is missing a section declaration
Config File        web.config
Requested URL      
Physical Path        
Logon Method        Not yet determined
Logon User        Not yet determined
Config Source

   63:   </system.serviceModel>
   64:   <system.web.extensions>
   65:     <scripting>
Jun 29, 2012 at 5:47 AM

Seems to be popular .net 4.0 error with multiple causes and solutions. Check this thread for example.