How to programmatically check WCF Http/Non-Http Activation components?

I need to detect if WCF Http/Non-Http Activation Components is installed during the installation of my product. How can I do so?



For IIS7, check the following Registry Key:


For the following components:

  • Process Model - ProcessModel
  • .NET Environment - NetFxEnvironment
  • Configuration APIs - WASConfigurationAPI

From this page:

UPDATE: Since the above is true even when the components are not installed, try running this command from the command line:

sc query nettcpactivator

If the service is stopped or does not exist, the WCF Non-HTTP Activation components are likely not installed. To install them, run this command:

pkgmgr /iu: WCF-NonHTTP-Activation


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