To improve quality and efficiency, Henry Ford Health System developed and implemented a new obstetrics application that displays pertinent clinical practice guideline information and standardizes documentation. The initial application included an overview of the patient's vital sign history, a structured note appropriate for each visit and patient educational materials. Despite involvement by clinician subject-matter experts in its design, many clinicians were dissatisfied with the initial application, noting both performance and functionality issues. In response, the health system suspended mandatory use of the application, created a previously unplanned pilot period, made modifications, intensified training and fostered user support. These efforts culminated with clinicians formally voting to accept the application for mandatory use. Understanding the lessons learned from this implementation may help other organizations that are rolling out new information systems.