In common web developing, I use impersonation to identify against some services, and some other applications like SQL server with my windows credentials. The usual way is to add to the web.config this line: <identity impersonate="true"/> This is best practice for most cases in web developing, but the problem here is, it will effect on all identification procedures we have in the application. Pinpoint Impersonation Suppose I don't want it to effect all my identification...