The new edition of the book is devoted to working with VMware vSphere family 4.1.V the latest version of its products are considered the vSphere installation, setup a virtual network infrastructure, data storage systems, virtual machines, server management, data protection for virtual machines. Also, provides information about the operating principles, the methods of monitoring and diagnosing problems. Finally, it provides information on complementary third-party products that can help in the work or solving problems faced by the administrator. books material is fed step by step instructions as detailed detail. The publication will be useful for both beginners and experienced system administrators who may use the book as a guide to the parameters and commands VMware vSphere.