| DisplayName | Description | ID | Target | Parent Monitor | Algorithm | Algorithm Parameter | Source Monitor | Relationship | Category | Enabled | Alert Generate | Alert Severity | Alert Priority | Alert Auto Resolve | Remotable | Accessibility |
![Microsoft.SystemCenter.DataProtectionManager.2011.Discovery.DPMAgentUnreachable_AMAgentCommunicationError](/images/DependencyMonitor.png) | DPM: Agent unreachable - Agent communication error | DPM: Agent unreachable - Agent communication error | Microsoft.SystemCenter.DataProtectionManager.2011.Discovery.DPMAgentUnreachable_AMAgentCommunicationError | Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServer | System.Health.ConfigurationState | WorstOf | | Microsoft.SystemCenter.DataProtectionManager.2011.Discovery.AgentUnreachable_AMAgentCommunicationError | Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServerHostsProductionServer | Custom | True | True | Warning | Normal | True | True | Public |
![Microsoft.SystemCenter.DataProtectionManager.2011.Discovery.DPMAgentUnreachable_AMCannotMapMachineAccount](/images/DependencyMonitor.png) | DPM: Agent unreachable - Cannot map machine account | DPM: Agent unreachable - Cannot map machine account | Microsoft.SystemCenter.DataProtectionManager.2011.Discovery.DPMAgentUnreachable_AMCannotMapMachineAccount | Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServer | System.Health.ConfigurationState | WorstOf | | Microsoft.SystemCenter.DataProtectionManager.2011.Discovery.AgentUnreachable_AMCannotMapMachineAccount | Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServerHostsProductionServer | Custom | True | True | Warning | Normal | True | True | Public |
![Microsoft.SystemCenter.DataProtectionManager.2011.Discovery.DPMAgentUnreachable_AMHostUnreachable](/images/DependencyMonitor.png) | DPM: Agent unreachable - Host unreachable | DPM: Agent unreachable - Host unreachable | Microsoft.SystemCenter.DataProtectionManager.2011.Discovery.DPMAgentUnreachable_AMHostUnreachable | Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServer | System.Health.ConfigurationState | WorstOf | | Microsoft.SystemCenter.DataProtectionManager.2011.Discovery.AgentUnreachable_AMHostUnreachable | Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServerHostsProductionServer | Custom | True | True | Warning | Normal | True | True | Public |
![Microsoft.SystemCenter.DataProtectionManager.2011.Discovery.DPMAgentUnreachable_Success](/images/DependencyMonitor.png) | DPM: Agent unreachable - Unspecified error | DPM: Agent unreachable - Unspecified error | Microsoft.SystemCenter.DataProtectionManager.2011.Discovery.DPMAgentUnreachable_Success | Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServer | System.Health.ConfigurationState | WorstOf | | Microsoft.SystemCenter.DataProtectionManager.2011.Discovery.AgentUnreachable_Success | Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServerHostsProductionServer | Custom | True | True | Warning | Normal | True | True | Public |
![Microsoft.SystemCenter.DataProtectionManager.2011.Discovery.DPMServerDiskMissing](/images/DependencyMonitor.png) | DPM: Disk missing (3120) | One or more disks cannot be detected or have stopped responding. All subsequent protection jobs that use these disks will fail until the disks are brought online. | Microsoft.SystemCenter.DataProtectionManager.2011.Discovery.DPMServerDiskMissing | Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServer | System.Health.ConfigurationState | WorstOf | | Microsoft.SystemCenter.DataProtectionManager.2011.Discovery.DiskMissing | Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMServerHostsDisk | Custom | True | True | Error | Normal | True | True | Public |
![Microsoft.SystemCenter.DataProtectionManager.2011.Discovery.LibraryDriveHealthRollup](/images/DependencyMonitor.png) | Drive health roll up | Drive health roll up | Microsoft.SystemCenter.DataProtectionManager.2011.Discovery.LibraryDriveHealthRollup | Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMLibrary | System.Health.AvailabilityState | WorstOf | | System.Health.EntityState | Microsoft.SystemCenter.DataProtectionManager.2011.Library.DPMLibraryHostsTapeDrive | Custom | True | False | | | True | True | Public |