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HomeHomeUsing DNN Platf...Using DNN Platf...Administration ...Administration ...DNN 5.6.3 & .NET v4 - 404 ErrorDNN 5.6.3 & .NET v4 - 404 Error
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12/28/2011 9:20 AM
 
Jeff M.


Joined: 7/30/2009
Posts: 422

Hello..
Tomorrow, we're going to be updating our DNN installation from 5.6.3 to 6.1.2.  Prior to this, I'd like to get our site up and running on .NET 4 instead of the current 3.5.1.

The site is running on Windows Server Standard 2008 SP-2 (not R2) and IIS 7.

If I change the currently used Application Pool from .NET v2 to .NET v4, I get a 404 error:
404 - File or directory not found.
The resource you are looking for might have been removed, had its name changed, or is temporarily unavailable.

I've created a new application pool using .NET v4 and the same configuration as our .NET v2 but again, the instant I change over to this application pool, the site pops up with the 404 error.

There isn't anything in the system logs, nor the DNN logs on what is causing this error.  I've looked in the IIS logs as well and it doesn't appear as though anything is listed there either.

Is there something I'm missing?  Thanks.. -Jeff
 
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12/28/2011 10:05 AM
 
Jeff M.


Joined: 7/30/2009
Posts: 422

Was able to figure out what was causing the error.

Viewing the error locally on the web server showed in greater detail the error.  Within the Server level, ISAPI and CGI restrictions are, I needed to allow the .NET v4 extension.

Upon allowing this, switching the app pool and visiting the site again, it was running on .NET 4.

Thanks.. -Jeff
 
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