Get the IT department-level support you need when deploying iOS, Mac OS X, or Mac OS X Server in your organization. AppleCare OS Support delivers phone and email support for advanced integration, migration, and server operation issues. All three plans provide support for technical issues that require the use of command-line tools for resolution. Whether you have occasional questions or you need assistance on a regular basis, Apple has a plan to fit your requirements. Each plan provides up to one year of coverage.
Depending on the program you select -- Alliance, Preferred, or Select Support -- product features can include unlimited support incidents, up to four designated customer support contacts, one hour response for priority 1 (server down) issues 24/7, an onsite technical review, and more. Each plan also includes AppleCare Help Desk Support and a single copy of AppleCare Help Desk Tools. AppleCare Help Desk Support provides each designated contact an unlimited number of support incidents for software installation, launch, and use; hardware and software diagnosis and troubleshooting; and issue isolation for Apple-based solutions. In addition, each of your designated contacts will have access to Apple's professional online support resources and online updates of the latest tools. AppleCare Help Desk Tools provides a library of Mac OS installation and hardware diagnostics discs that is updated quarterly. AppleCare OS Support - Alliance covers an unlimited number of enterprise-level support incidents across multiple locations for six technical contacts in your organization and provides one-hour response for priority 1 (server down) issues, 24 x 7. This plan also includes an onsite review by an Apple technical support engineer and assigns a technical account manager to your organization for one year. | 
