The Centre Intégré de Santé et Services Sociaux Outaouais (CISSS), also known as Integrated Health and Social Services Centre, is made up of five health and service centres for the population. CISSS’s main mission is to improve the health status of the region’s residents. Acting as a trusted advisor, Alithya was mandated to upgrade the Biztalk 2011 platform and assess how to minimize the impact on all 9,000 employees and volunteers in this cluster