ICF Habitat is a holding company comprised of four social housing companies (ESH). Having an essential business intelligence architecture for its activities, this needed to be updated. Forced to undergo a costly migration to a new version that was not fully compatible with the previous version. ICF Habitat migrated its existing system to Microsoft SQL Server solutions, through Microsoft Services. More powerful and better suited to ICF Habitat's needs, the new architecture offers the scalability the group requires. BI infrastructure was a clear success, especially in terms of performance, demonstrating 30% better performance.