After installing CA Asset Portfolio Manager (APM/ITAM), there is an error:
HTTP Error 500.19 - Internal Server Error
The requested page cannot be accessed because the related configuration data for the page is invalid
Asset Portfolio Manager/IT Asset Manager 17.x
All Supported Windows Operating Systems
Launch "Server Manager", select "Add Roles or Features", click through to "Server Roles", and expand:
Web Server (IIS)
Web Server
Application Development
Ensure that you have these options selected: