IIS Deployment of Asp.net Core

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Question:

My website seems to face issues while running on a Windows server with IIS. However, I have not encountered any problems while working on it using Visual Studio 2019 on my local machine.

This is an MVC Web Application with
asp.net core
. However, upon attempting to run the website after publishing to the local folder, uploading everything to the server, and creating the website in IIS, an error occurs.

HTTP Error 500.30 - ANCM In-Process Start Failure

I have encountered this error on the event viewer.

Application '/LM/W3SVC/12/ROOT' with physical root 'c:Websmynetcoremvc' failed to load coreclr. Exception message:
CLR worker thread exited prematurely

Please note that I have an additional version of
ASP.NET Core
and
API application
running seamlessly on the server, both of which are in version 3.1.0.


Solution:

It’s necessary to identify the error being thrown by your startup.cs in order to resolve the issue. I had similar trouble with KeyVault authorization problems.

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