HTTP error 500.21 - internal server error handler “aspnetcore” has a bad module “managedpipelinehandler” in its module list

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im managing a website written in asp.net core 3.1. I published website on subdomain but then I encountered such an error "HTTP Error 500.21 - Internal Server Error Handler "aspNetCore" has a bad module "ManagedPipelineHandler" in its module list".I contacted the server company but I've been waiting for a week and still problem not solved.

What I have tried:

im managing a website written in asp.net core 3.1. I published website on subdomain but then I encountered such an error "HTTP Error 500.21 - Internal Server Error Handler "aspNetCore" has a bad module "ManagedPipelineHandler" in its module list".I contacted the server company but I've been waiting for a week and still problem not solved.

Posted 7-Jan-21 23:51pm

Member 14769019

Updated 8-Jan-21 2:30am

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Richard Deeming 8-Jan-21 6:01am

We have no access to your code or your host. Only your hosting company can provide support.

If you're not getting any response from your hosting company, then it's probably time to look at moving to a better one.

Member 14769019 8-Jan-21 6:07am

They said 'check ur project'.what am i supposed to do idk

Richard Deeming 8-Jan-21 6:09am

As I said, we have no access to your code or your host. Only your hosting company can provide support.

Member 14769019 8-Jan-21 6:10am

ok, thanks. I guess I'll do what you say

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thatraja · Answer 1 · 2021-01-08T02:30:00

Agree with Richard. Now you have to do trail and error thing to solve this issue. Google search for this error & you'll get some fixes.
WebDAV and WebAPI together cause Error: Handler "ExtensionlessUrlHandler-Integrated-4.0" has a bad module "ManagedPipelineHandler" in its module list[^]
ASP.NET CORE Hosting - Error Internal Server Error Handler "aspNetCore" has a bad module "AspNetCoreModule" in its module list[^]