IIS 8 & .Net framework 3.0 and 4.0 & WCF

IIS 8 & .Net framework 3.0 and 4.0 & WCF

I encountered an error when I was deploying my WCF restful service based on .Net 3.5 to Windows Server 2012 plus IIS 8 which based on .Net 4.5. actually what happen after many trails of WCF that all my SharePoint sites were down and I can ‘t connect any one of them I checked the windows event log and It was an exception shown in browser whenever I tried to open a web page. The exception said:


I searched for the exception and I found the following solution which worked for me.


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