High availability is important in any enterprise and for any application in an IT infrastructure. But there are some applications – email for example – that are even more missions critical. With its release of Windows Server 2008, Microsoft has added some features that improve high availability clustering. But for some organizations this is all still a mystery. So Dell has worked for several years in close partnership to simplify the deployment and management of HA clusters. Featured are Kevin Guinn, lead engineer for cluster engineering and Shabana, senior engineer for the high availability clustering solutions team at Dell.