WCF Service returning “requested service '…' could not be activated” the first time it's accessed from an MVC site

Question

We have a WCF service (with no security) that is being accessed by an MVC3 website.

On the developer machines we have no problems with it but when our TeamCity setup bui

Answer 1

I ran into this same issue today and instead of RAM being the problem it was disk space. After freeing up space, I had to restart the Application Pool and the issue was resolved.