Joe, your network administrator, is overworked and underpaid. His bags are packed and ready for a family vacation to Disney World when he is tasked with deploying a critical patch. In order to make his flight, Joe quickly builds an installation file for the patch and deploys it before leaving for his trip. Next, Sue, the on-call service desk technician, begins receiving calls that nobody can log in. It turns out that no testing was done for the recently installed critical patch.