| DisplayName | Description | ID | Base Class | Abstract | Hosted | Singleton | Group | Extension | Accessibility | ElementId |
![Microsoft.SystemCenter.AgentGroup](/images/ClassType.png) | Operations Manager Agent Group (Internal) | This group contains all agents. | Microsoft.SystemCenter.AgentGroup | System.Group | True | False | False | True | False | Public | 7db3212b-907a-4e62-c2f5-f156d8ee62fd |
![Microsoft.SystemCenter.ManagementServerGroup](/images/ClassType.png) | Operations Manager Management Server Group (Internal) | This group contains all management servers. | Microsoft.SystemCenter.ManagementServerGroup | System.Group | True | False | False | True | False | Public | e4953c43-660f-7d6f-d055-94af9b485dde |
![Microsoft.SystemCenter.UserSettingsStore](/images/ClassType.png) | User Settings Store | | Microsoft.SystemCenter.UserSettingsStore | System.Entity | True | False | False | False | False | Internal | a5637c9b-9081-8f51-a720-3ebdb0e4fda2 |