Hosting WCF inside asp Virtual Directory

Step 1)

 VirtualDirectoryName->Properties->Virtual Directory Tab->Confirguration Button->

Insert new WildCard Mapping C:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\aspnet_isapi.dll 
Uncheck Verify that file exists

Step 2)

VirtualDirectoryName->Properties->Directory Security Tab->Authentication and access control->Edit Button->

Uncheck Integrated Windodws Authentication

Step3) 

Reset IIS