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Knowledge Base System Could not load type ‘System.ServiceModel.Activation.HttpModule’ from assembly

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[KB1201]Could not load type ‘System.ServiceModel.Activation.HttpModule’ from assembly

Tags: IIS, Web, Webvue

1 year ago

By LM

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Applies to:

WebVue, Web Services using IIS

Symptom:

While trying to access WebVue, or a PcVue Web Services page, or testing web functionalities with the SvWebDiag tool, this error appears:
Could not load type ‘System.ServiceModel.Activation.HttpModule’ from assembly

Details:

Installing an earlier version of the Microsoft .Net Framework probably caused this error. You can remedy this by registering the correct version of ASP.NET using the command aspnet_regiis.exe:Start a command prompt as an administrator

Use cd command to go to the path you want to, ie C:\Windows\Microsoft.NET\Framework\v4.0.30919

Execute the following command:

aspnet_regiis.exe -iru

IIS ASPNET register

Created on: 17 Aug 2023 Last update: 04 Sep 2024