At minimum, each report server must have one system role assignment that defines access at the system level, and one item-level role assignment that defines access to the folder hierarchy.

• 每个报表服务器都必须至少有一个系统角色分配(在系统级上定义访问权限)和一个项级角色分配(定义对文件夹层次结构的访问权限)。