Enterprise information systems (IS) implementation is often part of an organization's strategic IT initiatives and requires a large investment of organizational resources, yet may fail due to inadequate management of critical success factors (CSF). Using a revelatory case study of a multi‐partner COTS implementation process by a large Canadian government organization, this research investigates successful management of CSF through optimal stakeholder engagement and a balancing of control configurations. This research identifies four distinct project orientations related to stakeholder engagements—strategic, responsibility, harmony, and persuasion—that can be of significant value in managing CSF and other challenges during implementation and post‐implementation phases. In addition to the identification of a need for control balancing in a multi‐partner IS implementation, three key drivers responsible for triggering control balancing are identified: (a) shared understanding, (b) negative anticipation, and (c) deviation of expectations. Copyright © 2017 ASAC. Published by John Wiley & Sons, Ltd.