| DisplayName | Description | ID | Base Class | Abstract | Hosted | Singleton | Group | Extension | Accessibility | ElementId |
| MOM 2005 Backward Compatibility Windows Computer | All Windows Computers (Used for converted MOM2005 MPs only) | System.Mom.BackwardCompatibility.Computer | Microsoft.Windows.Computer | False | False | False | False | False | Public | ef4ffd2b-0a35-40dd-b561-d5c049a679f8 |
| MOM 2005 Backward Compatibility Windows Client | All Windows Clients(Used for converted MOM2005 MPs only) | System.Mom.BackwardCompatibility.Computer.Client | System.Mom.BackwardCompatibility.Computer | False | False | False | False | False | Public | 0cf456f3-0b2d-203c-94b0-1321103a7e5f |
| MOM 2005 Backward Compatibility Windows Domain Controller | All Windows Domain Controllers (Used for converted MOM2005 MPs only) | System.Mom.BackwardCompatibility.Computer.DC | System.Mom.BackwardCompatibility.Computer | False | False | False | False | False | Public | c0cae2c0-1bcb-b149-b5c5-8922b54151ee |
| MOM 2005 Backward Compatibility Windows Server | All Windows Servers (Used for converted MOM2005 MPs only) | System.Mom.BackwardCompatibility.Computer.Server | System.Mom.BackwardCompatibility.Computer | False | False | False | False | False | Public | d846d0f2-80d3-4fdf-4c1e-49f253462878 |
| System.Mom.BackwardCompatibility.ScriptDiscoveredComputerGroup | | System.Mom.BackwardCompatibility.ScriptDiscoveredComputerGroup | Microsoft.SystemCenter.ComputerGroup | False | False | True | True | False | Public | 61e570cb-7bb1-f6e2-d1d8-7945fce027e6 |