After installation of SDL Tridion Sites 9 Content Manager, the GUI comes back with "HTTP Error 500.19 - Internal Server Error"
CA Gen .NET Proxy deployment to IIS example and how to overcome "HTTP Error 500.19 - Internal Server Error"
![An error occurred...500.19 - Internal Server Error ... 0x800700b7 ... There is a duplicate 'system.web.extensions/scripting/scriptResourceHandler' section defined" when launching Controller (10.2.1 or earlier) caused by using .NET 4.0 An error occurred...500.19 - Internal Server Error ... 0x800700b7 ... There is a duplicate 'system.web.extensions/scripting/scriptResourceHandler' section defined" when launching Controller (10.2.1 or earlier) caused by using .NET 4.0](https://www.ibm.com/support/pages/system/files/support/swg/cogtech.nsf/0/cb04a590891702a085257c5f003362a8/Symptom/0.1970.gif)
An error occurred...500.19 - Internal Server Error ... 0x800700b7 ... There is a duplicate 'system.web.extensions/scripting/scriptResourceHandler' section defined" when launching Controller (10.2.1 or earlier) caused by using .NET 4.0
![IIS Error: HTTP Error 500.19 - Internal Server Error Date: 17.04.2018 Views: 6.523 Error occurs: When creating an Asp.Net MVC Core application Under IIS 10, Windows Server 2016 (as of 2018) IIS Error: HTTP Error 500.19 - Internal Server Error Fix: Step 1 ... IIS Error: HTTP Error 500.19 - Internal Server Error Date: 17.04.2018 Views: 6.523 Error occurs: When creating an Asp.Net MVC Core application Under IIS 10, Windows Server 2016 (as of 2018) IIS Error: HTTP Error 500.19 - Internal Server Error Fix: Step 1 ...](https://codedocu.com/Daten/Images/2/Image_2300_2.jpg)
IIS Error: HTTP Error 500.19 - Internal Server Error Date: 17.04.2018 Views: 6.523 Error occurs: When creating an Asp.Net MVC Core application Under IIS 10, Windows Server 2016 (as of 2018) IIS Error: HTTP Error 500.19 - Internal Server Error Fix: Step 1 ...
![Getting HTTP Error 500.19 - Internal Server Error when trying to access old ASP classic web site on Windows 2016 Server - Microsoft Q&A Getting HTTP Error 500.19 - Internal Server Error when trying to access old ASP classic web site on Windows 2016 Server - Microsoft Q&A](https://docs.microsoft.com/answers/storage/attachments/99208-http-error.jpg)
Getting HTTP Error 500.19 - Internal Server Error when trying to access old ASP classic web site on Windows 2016 Server - Microsoft Q&A
![IIS Error: HTTP Error 500.19 - Internal Server Error Date: 17.04.2018 Views: 6.523 Error occurs: When creating an Asp.Net MVC Core application Under IIS 10, Windows Server 2016 (as of 2018) IIS Error: HTTP Error 500.19 - Internal Server Error Fix: Step 1 ... IIS Error: HTTP Error 500.19 - Internal Server Error Date: 17.04.2018 Views: 6.523 Error occurs: When creating an Asp.Net MVC Core application Under IIS 10, Windows Server 2016 (as of 2018) IIS Error: HTTP Error 500.19 - Internal Server Error Fix: Step 1 ...](https://codedocu.com/Daten/Images/2/Image_2300_3.jpg)