Microsoft Premier Services. The contractor must provide Microsoft Premier Support of a minimum of 200 man-hours annually. The support services to be delivered through Microsoft Premier Support must contain as a bare minimum the following: • Dedicated manager with experience in the management of complex technical projects regarding Microsoft Product stack. • Support for incidents in all systems/products/solutions within the Microsoft Product stack, 24 hours per day, 7 days per week (a.k.a. 24/7). • Issue escalation management to senior engineers. • Perform thorough root-cause analysis of critical issues and document findings. • IT operation environment review and assessment, to identify possible areas of improvement. • Map IT infrastructure environment to improve possible future issue handling and resolution times. • Consulting by Microsoft specialized personnel, about Microsoft Product stack best practices and applications.