![iis 7.5 - HTTP Error 500.19 - Internal Server Error The requested page cannot be accessed because the related configuration data for the page is invalid - Stack Overflow iis 7.5 - HTTP Error 500.19 - Internal Server Error The requested page cannot be accessed because the related configuration data for the page is invalid - Stack Overflow](https://i.stack.imgur.com/afSXo.png)
iis 7.5 - HTTP Error 500.19 - Internal Server Error The requested page cannot be accessed because the related configuration data for the page is invalid - Stack Overflow
![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/3.486C.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
HTTP Error 500.19 - Internal Server Error: The requested page cannot be accessed because the related configuration data for the page is invalid.
![typescript - HTTP Error 500.19 Internal Server Error after hosting angular 4 application in IIS - Stack Overflow typescript - HTTP Error 500.19 Internal Server Error after hosting angular 4 application in IIS - Stack Overflow](https://i.stack.imgur.com/z6LAE.png)
typescript - HTTP Error 500.19 Internal Server Error after hosting angular 4 application in IIS - Stack Overflow
HTTP Error 500.19 - Internal Server Error: The requested page cannot be accessed because the related configuration data for the page is invalid.
![HTTP Error 500.19 - Internal Server Error" on IIS 7.5 Windows 7 when rurnning asp.net website - Server Fault HTTP Error 500.19 - Internal Server Error" on IIS 7.5 Windows 7 when rurnning asp.net website - Server Fault](https://i.stack.imgur.com/9WesA.png)