Security within Analysis Services involves designing user permissions to selected cubes, dimensions, cells, mining models, and data sources. Analysis Services relies on Microsoft Windows to authenticate users, and only authenticated users who have rights within Analysis Services can establish a connection to Analysis Services.
After a user connects to Analysis Services, the permissions that user has within Analysis Services are determined by the rights assigned to the Analysis Services roles to which that user belongs, either directly or through membership in a Windows role. The two roles available in Analysis Services are server roles and database roles.
The server role permits unrestricted access to the server and all the objects contained on the server. This role also allows its members to administer security by assigning permissions to other users. By default, all members of the Administrators local group are members of the server role in Analysis Services and have serverwide permissions to perform any task. You configure this access by using Management Studio, Business Intelligence Development Studio, or an XMLA script.
Here's how you add additional Windows users or groups to this Server role:
Open Management Studio and connect to an Analysis Services server.
Right-click the server node in Object Explorer and choose Properties.
On the Analysis Server Properties dialog, select the Security page. Note again that ...