WCF Service Issue on Windows Server 2008 R2

asp.netiis-7iis-7.5wcfwindows-server-2008-r2

I had a WCF Service running without issue on Windows Server 2008 and just moved that service over to a Windows Server 2008 R2 instance. The domain name for the site and service were pointed to the new service and the ASP.NET site works just fine. That stated, the WCF Service keeps throwing Endpoint not found responses when trying to run the wsdl=wsdl10 command.

I tried installing the ServiceModelReg in the v3.0/Windows Communication Foundation directory; editing the applicationHost.config file to add in the .svc mimeType, I checked the Handler Mappings but SVC was already there. And I tried running aspnet_regiis -iru from the 4.0 directory.

Nothing worked.

I then tried removing and adding back in the WCF Activation and Process Activation Features – no help there. I rechecked the web.config file but it is using domain names and not IP addresses to define the endpoint's location.

I am completely stuck – does anybody have any ideas?

Best Answer

As it turns out, you need to add the Application Server role to the web server (http://technet.microsoft.com/en-us/library/cc754024%28v=ws.10%29.aspx) in Windows Server 2008 and above. That takes care of most of the issues.

Second, all files - including DLLs, images, everything - in the folder containing the website needs to provide Read & Execute privileges to the IUsers group.

Finally if you are using any 3rd party DLLs, you need to make sure IIS has full control - http://learn.iis.net/page.aspx/624/application-pool-identities/

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OK, it looks like I solved the problem by adding an identity element to my web.config. Oddly enough, this hasn't been one of the answers floating around on the Internet but I stumbled across it while looking at a nearly-unrelated article. The fix goes like this:

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Please make sure you've activated WCF components from here.

Or alternate and easy way is, go to control panel -> Turn Windows feature on or off -> and make sure you've all the options ticked as mentioned in below screenshot.

enter image description here

You might need to activate each box and accept in case you get errors when activating all features at once

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