Improve uptime for core business workloads and safeguard sensitive data. The Essential support level includes all the benefits of Foundation services, plus 4-hour onsite response, 24 hours per day, 7 days per week: Four-hour onsite response, 24 hours per day, 7 days per week Base warranty upgrade covering onsite installation of all replacement parts YourDrive YourData retention service Recommended additions include extending Essential services up to 5 years and ading the following: Basic Hardware Installation Services 24 Hr Committed Service Repair Enterprise Server Software Support