Iis Server & ASP.NET Core - 500.19 with Error Code 0X8007000D on Httpplatformhandler Tag

Error 500.19 with 0x8007000d when running ASP.NET Core app in IIS despite AspNetCoreModule being installed

Having ruled out everything app-specific that I (and the many helpful commenters, especially Daboul) could think of, and having reviewed the visible IIS settings, I resorted to looking at the primary configuration file for IIS as a whole: applicationHost.config

Per Introduction to ApplicationHost.config, this file is located in %windir%\system32\inetsrv\config. Since the real application is working on a different machine at my office, I compared them using a diff program, and found that the following node was missing from my configuration file:

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <configSections>
        <!-- ...lots of other stuff... -->
        <sectionGroup name="system.webServer">
            <!-- ...lots of other stuff... -->

            <!--This "section" node for aspNetCore is the one that was missing-->
            <section name="aspNetCore" overrideModeDefault="Allow" />

Adding that one node resolved the error.

Oddly enough, the AspNetCoreModule itself is referenced multiple times later in the file. Since I haven't manually edited this file before, it seems possible that this was some kind of installation error when installing the AspNetCoreModule the first time.

ASP.NET: HTTP Error 500.19 – Internal Server Error 0x8007000d

Error 0x8007000d means URL rewriting module (referenced in web.config) is missing or proper version is not installed.

Just install URL rewriting module via web platform installer.

I recommend to check all dependencies from web.config and install them.

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