| DisplayName | Description | ID | Target | Parent Monitor | Category | Enabled | Instance Name | Counter Name | Frequency | Alert Generate | Alert Severity | Alert Priority | Alert Auto Resolve | Monitor Type | Remotable | Accessibility | RunAs |
| Disk Cache is Performing Poorly | The on disk cache of rendered files is performing poorly. The disk cache configuration may need to be adjusted or there may be a hardware issue. | Microsoft.OfficeWebAppsServer_Custom.DiskCacheIsPerformingPoorly | Microsoft.OfficeWebAppsServer_Custom.Machine | System.Health.PerformanceState | PerformanceHealth | True | Office Web Apps - Storage | WacDiskCacheTTLHours | 60 | True | Warning | Low | True | System.Performance.ThresholdMonitorType | True | Public | |
| Excel Back End Internal Error | A warning state of this Monitor indicates that an unexpected Excel internal error was encountered. | Microsoft.OfficeWebAppsServer_Custom.ExcelBackEndInternalError | Microsoft.OfficeWebAppsServer_Custom.Machine | System.Health.AvailabilityState | AvailabilityHealth | True | | | 0 | False | | | True | Microsoft.Windows.RepeatedEventLogManualReset2StateMonitorType | True | Public | |
| Excel Back End Memory Allocation Failed | A warning state of this Monitor indicates that the Excel back end failed to allocate memory. | Microsoft.OfficeWebAppsServer_Custom.ExcelBackEndMemoryAllocationFailed | Microsoft.OfficeWebAppsServer_Custom.Machine | System.Health.AvailabilityState | AvailabilityHealth | True | | | 0 | False | | | True | Microsoft.Windows.RepeatedEventLogManualReset2StateMonitorType | True | Public | |
| Excel Error Communicating With Back End | A warning state of this Monitor indicates that the front-end Web server attempts to establish a connection to a specific Excel back end machine, but a communication error occurred. Traffic will be load balanced to another server if one is available. | Microsoft.OfficeWebAppsServer_Custom.ExcelErrorCommunicatingWithBackEnd | Microsoft.OfficeWebAppsServer_Custom.Machine | System.Health.AvailabilityState | AvailabilityHealth | True | | | 0 | False | | | True | Microsoft.Windows.RepeatedEventLogManualReset2StateMonitorType | True | Public | |
| Excel Maximum Memory Configured For Back End Has Been Exceeded | A warning state of this Monitor indicates that the Excel maximum memory configured for Excel back end has been exceeded. | Microsoft.OfficeWebAppsServer_Custom.ExcelMaximumMemoryConfiguredForBackEndHasBeenExceeded | Microsoft.OfficeWebAppsServer_Custom.Machine | System.Health.AvailabilityState | AvailabilityHealth | True | | | 0 | False | | | True | Microsoft.Windows.RepeatedEventLogManualReset2StateMonitorType | True | Public | |
| Excel Workbook Disk Cache Is Full | A warning state of this Monitor indicates that the workbook cache is full and that there is no space to load a workbook. | Microsoft.OfficeWebAppsServer_Custom.ExcelWorkbookDiskCacheIsFull | Microsoft.OfficeWebAppsServer_Custom.Machine | System.Health.AvailabilityState | AvailabilityHealth | True | | | 0 | False | | | True | Microsoft.Windows.SingleEventLogManualReset2StateMonitorType | True | Public | |
| FarmOU is Too Large | The OU being used for the farm is too large. Performance of the farm slows down significantly as the OU grows beyond 1000 items. | Microsoft.OfficeWebAppsServer_Custom.FarmOUIsTooLarge | Microsoft.OfficeWebAppsServer_Custom.Machine | System.Health.EntityState | PerformanceHealth | True | | | 0 | True | Warning | Low | True | Microsoft.Windows.RepeatedEventLogManualReset2StateMonitorType | True | Public | |
| Farm Settings are Invalid | Farm settings are invalid. The settings may have been corrupted. The farm will need to be reinitialized using the New-OfficeWebAppsFarm cmdlet. | Microsoft.OfficeWebAppsServer_Custom.FarmSettingsAreInvalid | Microsoft.OfficeWebAppsServer_Custom.Machine | System.Health.EntityState | AvailabilityHealth | True | | | 0 | True | Error | High | True | Microsoft.Windows.RepeatedEventLogManualReset2StateMonitorType | True | Public | |
| Host End Point is Unreachable | The end point on the server that is hosting the file that was specified in the initiating request did not respond to a request for file information. | Microsoft.OfficeWebAppsServer_Custom.HostEndPointIsUnreachable | Microsoft.OfficeWebAppsServer_Custom.Machine | System.Health.ConfigurationState | ConfigurationHealth | True | | | 0 | True | Warning | Low | True | Microsoft.Windows.RepeatedEventLogManualReset2StateMonitorType | True | Public | |
| Host End Point was Disallowed | The domain of the end point on the server that is hosting the file that was specified in the initiating request is not on the list of allowed domains for this farm. Either the list of allowed domains is incomplete or a request was initiated from a server that is not allowed to use this farm. | Microsoft.OfficeWebAppsServer_Custom.HostEndPointWasDisallowed | Microsoft.OfficeWebAppsServer_Custom.Machine | System.Health.SecurityState | SecurityHealth | True | | | 0 | True | Warning | Low | True | Microsoft.Windows.RepeatedEventLogManualReset2StateMonitorType | True | Public | |
| Machine is Unhealthy | A machine in the farm is reporting that one or more services are not operating correctly. | Microsoft.OfficeWebAppsServer_Custom.MachineIsUnhealthy | Microsoft.OfficeWebAppsServer_Custom.Machine | System.Health.EntityState | AvailabilityHealth | True | | | 0 | True | Error | High | True | Microsoft.Windows.RepeatedEventLogManualReset2StateMonitorType | True | Public | |
| Machine is Unresponsive | An Office Web Apps Server machine has become unresponsive. | Microsoft.OfficeWebAppsServer_Custom.MachineIsUnresponsive | Microsoft.OfficeWebAppsServer_Custom.Machine | System.Health.EntityState | AvailabilityHealth | True | | | 0 | True | Error | High | True | Microsoft.Windows.MissingEventLogManualReset2StateMonitorType | True | Public | |
| Master Server is Unreachable | The server responsible for maintaining the farm configuration did not respond to a request from another machine in the farm. The farm will continue to operate but the configuration can't be changed until the master becomes responsive or a new master is specified. | Microsoft.OfficeWebAppsServer_Custom.MasterServerIsUnreachable | Microsoft.OfficeWebAppsServer_Custom.Machine | System.Health.ConfigurationState | ConfigurationHealth | True | | | 0 | True | Warning | Normal | True | Microsoft.Windows.RepeatedEventLogManualReset2StateMonitorType | True | Public | |
| OneNote Service is Slow | The OneNote service is performing poorly. The farm configuration may need to be adjusted or you may need to add machines to the farm. | Microsoft.OfficeWebAppsServer_Custom.OneNoteServiceIsSlow | Microsoft.OfficeWebAppsServer_Custom.Machine | System.Health.PerformanceState | PerformanceHealth | True | OneNote Web App - Common Web Editor | OneNoteWebAppProcessRequestTime | 120 | True | Warning | Low | True | System.Performance.ThresholdMonitorType | True | Public | |
| PowerPoint Broadcast Performance is Slow | The PowerPoint Broadcast service is performing poorly. You may need to adjust your farm configuration or add machines to your farm. | Microsoft.OfficeWebAppsServer_Custom.PowerPointBroadcastPerformanceIsSlow | Microsoft.OfficeWebAppsServer_Custom.Machine | System.Health.PerformanceState | PerformanceHealth | True | Office Web Apps - Meetings | MetWeb_BroadcastGetDataRequestsPerSecond | 900 | True | Warning | Low | True | System.Performance.ThresholdMonitorType | True | Internal | |
| PowerPoint Viewing Failures | The PowerPoint conversion service is failing frequently. The farm configuration may need to be adjusted or you may need to add machines to the farm. | Microsoft.OfficeWebAppsServer_Custom.PowerPointViewingFailures | Microsoft.OfficeWebAppsServer_Custom.Machine | System.Health.PerformanceState | PerformanceHealth | True | Office Web Apps - PowerPoint Web App | PowerPointEdit_NoAvailableServerRate | 900 | False | | | True | System.Performance.ThresholdMonitorType | True | Internal | |
| Word and PowerPoint File Download is Slow | The Word and PowerPoint services are performing poorly. The farm configuration may need to be adjusted or you may need to add machines to the farm. | Microsoft.OfficeWebAppsServer_Custom.WordAndPowerPointFileDownloadIsSlow | Microsoft.OfficeWebAppsServer_Custom.Machine | System.Health.PerformanceState | PerformanceHealth | True | Office Web Apps - Word Web App and PowerPoint Web App viewing | ConversionRequestDownloadTime | 120 | False | | | True | System.Performance.ThresholdMonitorType | True | Internal | |
| Word and PowerPoint Service is Slow | The Word and PowerPoint services are performing poorly. The farm configuration may need to be adjusted or you may need to add machines to the farm. | Microsoft.OfficeWebAppsServer_Custom.WordAndPowerPointServiceIsSlow | Microsoft.OfficeWebAppsServer_Custom.Machine | System.Health.PerformanceState | PerformanceHealth | True | Office Web Apps - Word Web App and PowerPoint Web App viewing | ConversionFailedRequests | 1800 | True | Warning | Low | True | System.Performance.ThresholdMonitorType | True | Public | |
| Word and PowerPoint Viewing is Slow | The Word and PowerPoint conversion services are performing poorly. The farm configuration may need to be adjusted or you may need to add machines to the farm. | Microsoft.OfficeWebAppsServer_Custom.WordAndPowerPointViewingIsSlow | Microsoft.OfficeWebAppsServer_Custom.Machine | System.Health.PerformanceState | PerformanceHealth | True | Office Web Apps - Word Web App and PowerPoint Web App viewing | ConversionQueuedRequests | 1800 | True | Warning | Low | True | System.Performance.ThresholdMonitorType | True | Public | |
| Word or PowerPoint Back End is Unreachable | A front end machine was unable to reach a PowerPoint or Word back end machine. | Microsoft.OfficeWebAppsServer_Custom.WordOrPowerPointBackEndIsUnreachable | Microsoft.OfficeWebAppsServer_Custom.Machine | System.Health.AvailabilityState | AvailabilityHealth | True | | | 0 | True | Error | Normal | True | Microsoft.Windows.RepeatedEventLogManualReset2StateMonitorType | True | Public | |