coondoggie writes "Microsoft and Apple recommend that businesses deny certain iPhones, iPads and iPods access to Calendar items until the companies can clear up a problem that slows Exchange servers to a crawl when the devices try to synch. The problem reveals itself to end users as an error message when they try to update items with Exchange Server 2010 that says "Cannot Get Mail" and "The connection to the server failed," according to a Microsoft support notification. The only option presented to users is to choose "OK," Microsoft says." Link to Original Source
"The algorithm to do that is extremely nasty. You might want to mug
someone with it."
-- M. Devine, Computer Science 340