KB43281: Error "Cannot write configuration file" appears when trying to enable Anonymous Authentication for MicroStrategy Web application in IIS in Microsoft Windows Server 2008
HTTP Error 500.19 - Internal Server Error Cannot read configuration file due to insufficient permissions
Cannot read configuration file due to insufficient permissions' occurs when getting HTTP Error 500.19 - Worry-Free Business Security
![net - The IIS Express applicationHost.config file contains invalid entries and must be corrected before you can open project - Stack Overflow net - The IIS Express applicationHost.config file contains invalid entries and must be corrected before you can open project - Stack Overflow](https://i.stack.imgur.com/vQwQP.png)