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Getting Unrecognized Attribute Target Framework Exception

, 8 Apr 2014 CPOL
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Remove the ‘Anonymous Authentication’ exception that occurs at the time of WCF service (3.5 framework) hosting on IIS


In this tip, I will explain how to get rid of the ‘Anonymous Authentication’ exception of WCF service hosting on IIS, that you create in 3.5 framework.


Let’s take a real current scenario, I have a web service in a website (.NET Framework 3.5) which is running on the server and I am using that web service in my Windows application. Now I want to replace the web service to WCF service.

To explain this, I will create:

  • A website with a default page
  • A WCF service in it in place of web service

Follow the steps given below to do this.

Step 1: Add a new website named ‘Wcf_Example’ using 3.5 framework.

Step 2: Add a WCF Service named ‘MYService.svc’ into it.

This will create 3 files:

  • IMYService.cs – Contains Interface of MYService class
  • MYService.cs – Contains MYService class
  • MYService.svc – Contains details required for WCF service to run it successfully like .asmx in web service


Get the exception when I run the service ‘http://localhost/WCF_Example/MYService.svc'.


Open the control panel and click on ‘Turn Windows features on or off’.

Check the ‘Windows Communication Foundation HTTP Activation’ and ‘Windows Communication Foundation Non- HTTP Activation’.

Now run the WCF Service ‘http://localhost/WCF_Example/MYService.svc'.


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author

Software Developer (Senior) CyberQ
India India
No Biography provided

Comments and Discussions

AnswerMy vote of 5 Pin
Christian Amado9-Apr-14 3:19
professionalChristian Amado9-Apr-14 3:19 

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