To reduce operating costs and find more effective ways to attract and retain customers in the hyper-competitive airline industry, United Airlines is working with Microsoft to expand private cloud computing to the enterprise. In 2012, the airline chose the Windows Server operating system and Microsoft System Center data center solutions to host and manage its United.com website, which generates US$12 billion annually. In 2013 and 2014, United Airlines is using Windows Server 2012 R2 Hyper-V Replica and Hyper-V Recovery Manager to expedite the migration and consolidation of virtual machines and mission critical services to its new data center in Chicago and provide high availability services when hardware fails.