| 1  | Open the SQL Server Security module. | 
| 2  | 
| 3  | Select a system role, and select Tools | Delete. Alternatively, right-click a system role, and choose Delete. | 
| 4  | 
You can modify the description and tasks assigned to the role.
| 1  | Open the SQL Server Security module. | 
| 2  | 
| 3  | Select a server role, and select Tools | Properties. | 
You can add, delete, and modify catalog roles.
| 1  | Open the SQL Server Security module. | 
| 3  | Select Catalog Roles, and select Tools | New. Alternatively, right-click Catalog Roles, and choose New. |