Problems opening Localhost: HTTP Error 500.0 - Internal Server Error

Modified on 2018/11/08 10:58 by MKR Categorized as Uncategorized

'''We have sometime experienced problems with opening Localhost on the server.'''


The following error:


'''HTTP Error 500.0 - Internal Server Error '''may occur.


[image:{UP(Problems-opening-Localhost-HTTP-Error-500-0-Internal-Server-Error)}Localhost error_05.jpg|medium|left]












This is caused by 1 or 2 things both related to errors in the following path:


C:\Windows\Microsoft.NET\Framework\V4.0.30319\'''\'''aspnet_filter.dll


If working on a 64-bit server the Framework also have to be Framework64 and not just Framework as in the path above. Also if .NET 1.1 is installed the URL for isapi filter can be currupt with two \\ insead of one


which result in error HTTP (Morten Hjelmvig).


So the correct path is is:


C:\Windows\Microsoft.NET\Framework'''64'''\V4.0.30319\aspnet_filter.dll




This is how to correct the error:
* Go to control panel
* open Administrative Tools
* Open Internet Information (IIS) Manager




[image:{UP(Problems-opening-Localhost-HTTP-Error-500-0-Internal-Server-Error)}Localhost error_01.jpg.png|medium|left]












* Select Default Web Site
( in tree in the left side)




[image:{UP(Problems-opening-Localhost-HTTP-Error-500-0-Internal-Server-Error)}Localhost error_02.jpg.png|medium|left]












* In the Center Pane: Double click ISAPI Filters




[image:{UP(Problems-opening-Localhost-HTTP-Error-500-0-Internal-Server-Error)}Localhost error_03.jpg.png|medium|left]












* double Click the generic ASP.Net_4.0 entry and set the exceutable path to:


'''C:\Windows\Microsoft.NET\Framework64\V4.0.30319\aspnet_filter.dll'''




[image:{UP(Problems-opening-Localhost-HTTP-Error-500-0-Internal-Server-Error)}Localhost error_04.jpg.png|medium|left]

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Problems opening Localhost: HTTP Error 500.0 - Internal Server Error