Ok so I figured this out, and it had nothing to do with the message size. The problem was errors in certain rows of the underlying data, so an Enum value could not be resolved.
Achieved this by using the following:
<trace autoflush="true" />
I am struggling with the settings for message size in WCF services. I have a windows service that hosts a wcf service. It runs great and I use a WPF application to communicate with it.
At one point i start to receive an arror as follows, on a single service call (and not any others):