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How to configure Error 500.21 in WCF in IIS7 under WIN7

Source: Internet
Author: User
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Today, an error 500.21 occurred when I configured the WCF on my colleague's computer. It is said that this is a common error.

Details: WCF-Error 500.21 Handler "svc-Integrated" has a bad module "ManagedPipelineHandler" in its module list"

When you select the Http Web application as the bearer mode, this method depends on the relevant modules of asp.net.

Solution:

1. Open Visual Studio Command Prompt

2. Input:Aspnet_regiis.exe-iru

3. Run the command

This problem usually occurs when the wcf http activation module of IIS is installed after Visual Studio is installed,

This problem does not occur if Visual Studio is installed after IIS is installed.

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