HTTP Error 500.0

HTTP Error 500.0 - ANCM In-Process Handler Load Failure
Common causes of this issue:
The specified version of Microsoft.NetCore.App or Microsoft.AspNetCore.App was not found.
The in process request handler, Microsoft.AspNetCore.Server.IIS, was not referenced in the application.
ANCM could not find dotnet.
Troubleshooting steps:
Check the system event log for error messages
Enable logging the application process' stdout messages
Attach a debugger to the application process and inspect
For more information visit: https://go.microsoft.com/fwlink/?LinkID=2028526

 个人主要说两方面:

(一)项目所需环境

  比如我以前是 .net core 2 的版本。现在的项目是 .Net Core 3 的 

  需要下载:Hosting Bundle 和 x64 的环境

  地址:https://dotnet.microsoft.com/download/dotnet-core/3.1

  

(二)数据库连接问题

  比如发布的项目使用的连接字符串没有改过来导致的。

暂时我遇见的就这两方面的问题。

问题图像展示:

原文地址:https://www.cnblogs.com/gzbit-zxx/p/13571548.html