When setting up my AppFabric environment yesterday, I was running into (what I thought) was a strange error: Workflow persistence is not fully functional because the net.pipe protocol is missing from the application’s list of enabled protocols. At first, I was quite confused by this. I had double-checked to make sure that net.pipe *was* enabled. First I checked the Site Bindings for the web site itself: Next, I check the Enabled protocols by going to “Advanced Settings” at the application level. ......