What Are the Five FSMO Roles
Since the first days of Active Directory, the concept of FSMO (Flexible Single Master Operator, pronounced “fizmo”) roles has been a topic of endless discussion amongst IT Professionals. Furthermore, the five roles make for a quick and easy first question in an interview. As Active Directory has evolved over more than a decade, the duties of the FSMO role holders have changed very little, but broad understanding of the duties and optimal placement has not consistently matured. Learn what the FSMO roles do and best practices for placing them.