I was barking up the wrong tree with this - I had pasted the URL from the CCTray request into a browser to get that message, but should have simply inspected the warning in Event Viewer instead. The solution is to give the correct server name in the dashboard config, as per my post in this thread:
http://groups.google.com.ag/group/ccnet-user/browse_thread/thread/a2b4a8da596d8fab -- Kim Randell -- To unsubscribe, reply using "remove me" as the subject.
