| ID | Base | Comment | Assembly | Accessibility |
| System.Availability.StateData | System.BaseData | | NotImplemented | Public |
| System.BaseData | | | Microsoft.EnterpriseManagement.HealthService | Public |
| System.Event.Data | System.BaseData | | AbstractType.NoImpl | Public |
| System.Discovery.Data | System.BaseData | | Microsoft.EnterpriseManagement.Modules.DataTypes | Public |
| System.ConsolidatorData | System.BaseData | | NotImplemented | Public |
| System.CorrelatorData | System.BaseData | | NotImplemented | Public |
| System.PropertyBagData | System.BaseData | | NotImplemented | Public |
| System.CommandOutput | System.BaseData | | NotImplemented | Public |
| System.CompletedFileUpload | System.BaseData | | Microsoft.EnterpriseManagement.HealthService | Public |
| System.TriggerData | System.BaseData | | Microsoft.Mom.Modules.DataTypes | Public |
| System.OleDbData | System.BaseData | | Microsoft.Mom.Modules.ClientMonitoring | Public |
| System.Typed.Data | System.BaseData | | NotImplemented | Public |
| System.ProcessInformationData | System.BaseData | | NotImplemented | Public |
| System.ICMPResponse | System.BaseData | | NotImplemented | Public |
| System.ComputationData | System.BaseData | | NotImplemented | Public |