In this study we explored the disablers in Management System in Zambia's public service. The study applied qualitative research methodology with a Case study design. The study comprised of 30 purposively selected Zambia public service workers as participants. The study used semi-structured interviews to generate evidence. The study findings revealed that the implementation of the Performance Management System (PMS) had a number of disablers that greatly affected the quality of service delivery

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... n the public service. The most common barriers included low level of feedback rate, lack of commitment from top management, lack of adequate funding, lack of time, leadership style, constant change of leader, lack of trust, unfairness in the performance managements system, lack of reward system, lack of training in performance management system, lack of effective coordination, ineffective supervision and cultural beliefs. Thus, if the Public service is to improve on its performance, there is need to combine available resources and competencies to overcome disablers consistent with the theory of Resource-Based View. Unless managers of public service realize the importance of understanding and applying the resource based view theory in order to mobilize and deploy available resources, performance management practices will remain inappropriately implemented.