Error installing BC22 WebClient on Windows Server 2022 (AspNetCoreModuleV2)

In a recent customer installation we ran into an error “Required IIS module AspNetCoreModuleV2 missing” when trying to install the WebClient components in the Dynamics 365 Business Central version 22 setup. A manual installation using New-NAVWebServerInstance wasn’t successful aswell. The server was a fully patched Windows Server 2022.

Although the installation of the prerequisites didn’t throw an error, the module was missing:

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The solution was quite simple, just reinstall/repair the “dotnetcore-windowshosting” prerequisite from the BC installation DVD:

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Now the module should show up in the IIS Modules:

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The installation of the WebClient components should now work as expected.

... is a technical consultant and developer at Comsol Unternehmenslösungen AG in Kronberg/Taunus. Major tasks are the architecture and implementation of complex, usually cross-system applications in and around Microsoft Dynamics 365 Business Central.


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