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
You need to enter the following command in the cmd console of the server to unlock the handlers
C: \ windows \ system32>%windir%\system32\inetsrv\appcmd.exe unlock config -section:system.webServer/handlers
The lock on the system.webServer / handlers section in the MACHINE / WEBROOT / APPHOST configuration path has been removed.
IIS Error: HTTP Error 500.19 - Internal Server Error
After that comes the error:
HTTP Error 500.19 - Internal Server Error
The requested page can not be accessed because the associated page configuration information is invalid.
Detailed error information:
Module IIS Web Core
Notification BeginRequest
Handler Still undetermined
Error code 0x80070021
configuration error
    This configuration section can not be used in this path. This is the case if the section is locked at a higher level. The lock is done by default (overrideModeDefault = "Deny") or is explicitly set with a location tag with overrideMode = "Deny" or the legacy setting allowOverride = "false".
configuration file
    \\? \C: \ _ Data \ _Web \ Readdy \ web.config
Registration method Still undetermined
User Login Still


<modules runAllManagedModulesForAllRequests="true" />

In the Web.config asp.mvc applications running under a full IIS must have the line
so that standard documents such as default.aspx or iistart.htm are not searched for, but the paths are set via the asp modules

<?xml version="1.0" encoding="utf-8"?>

<modules runAllManagedModulesForAllRequests="true" />

<!-- Limit Upload to 700MB -->
<requestLimits maxAllowedContentLength="1000000000" />
<directoryBrowse enabled="false" />
<identity impersonate="true" />

IIS Error: HTTP Error 500.19 - Internal Server Error

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