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HTTP Error 500.30 - ANCM In-Process Start Failure

See original GitHub issue

Describe the bug

When trying to launch an ASP.NET Core 2.2 web app locally (Windows 10) I receive HTTP Error 500.30 - ANCM In-Process Start Failure error message when the browser opens.

To Reproduce

Steps to reproduce the behavior:

  1. Using this version of ASP.NET Core 2.2
  2. Configure to use IIS in-process model

Expected behavior

It to work without error.

Screenshots

image

More information

None of the other bug reports appear to have a resolution.

Is this an Azure only feature, and wont ever work locally? How is it supposed to work locally?

Assuming its the most performant option, can I make it so local development continues to use Kestrel and only production/Release-mode uses IIS in-proc?

Thanks

Issue Analytics

  • State:closed
  • Created 4 years ago
  • Comments:39 (4 by maintainers)

github_iconTop GitHub Comments

14reactions
robinwilson16commented, Jun 11, 2019

I got this error and realised I had missed a comma out of the appsettings.json file. May be worth a try for anyone still getting this issue.

It would be good if it did give a less generic error though to speed up troubleshooting.

10reactions
deanilvincentcommented, May 6, 2019

This error appears to me after I accidentally registered the same interface in my ConfigureServices

`services.AddScope<IMyInterface, IMyInterface>();`

Make sure to double check your Startup.cs ConfigureServices

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