ASP.NET Core - Failed to start application '/LM/W3SVC/3/ROOT', ErrorCode '0x8007023e'

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I'm currently encountering a problem when I deploy my ASP.NET Core program on IIS, and I have no idea how to fix it. Could somebody tell me why?

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asp.net-core
1 Answers

Probably missing some server roles or features.

Checking the Application Event Log I found the error '0x8007023e' AspNetCore Module V2

Checking the System Event Log I found a WAS (Windows Process Activation Service) communication error: WAS (Windows Process Activation Service) communication error

Then I installed the following roles and features: Roles and Features, WAS

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Also I reinstalled ASP.NET Core Module

Finally I had to reassign the app pool to the site, and everything worked

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