Set Max Request Length. WCF MaxMessageSize
Category: DotNet
I found this to be getting me when trying to set up a WCF service that was taking in a big object as a parameter. Even when setting the maxmessagesize in the wcf service config I would still get a weird error about a validation exception. The problem was the request being passed in was too big, so to allow for bigger requests you need to set the below. Note this goes under System.Web in the web.config