The SharePoint Portal Server Backup Service is Unavailable.

Microsoft.SharePointPortalServer.2003.BackupService.NTService.CheckServiceState.Monitor (UnitMonitor)

Knowledge Base article:

Summary

The SPS Search service provides indexing and search capabilities for portals and external content. If this service is stopped, Portal search operations can not be performed by end users.

Causes

A service can stop for many reasons, including:

Resolutions

The service can be restarted using the Start SPS Search Service task:

Start Backup Service

If service is unable to restart successfully please refer to the tasks output which will indicate the cause for the start failure. With this information, the Services snap-in from the Computer Management console can be used to take additional resolution steps:

Start Computer Management Console

Element properties:

TargetMicrosoft.SharePointPortalServer.2003.BackupService
Parent MonitorSystem.Health.AvailabilityState
CategoryAvailabilityHealth
EnabledTrue
Alert GenerateTrue
Alert SeverityError
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeMicrosoft.Windows.CheckNTServiceStateMonitorType
RemotableTrue
AccessibilityPublic
Alert Message
The SharePoint Portal Server Backup Service is Unavailable.
RunAsDefault

Source Code:

<UnitMonitor ID="Microsoft.SharePointPortalServer.2003.BackupService.NTService.CheckServiceState.Monitor" Target="Microsoft.SharePointPortalServer.2003.BackupService" TypeID="Windows!Microsoft.Windows.CheckNTServiceStateMonitorType" Remotable="true" Accessibility="Public" Enabled="onEssentialMonitoring" ParentMonitorID="SystemHealth!System.Health.AvailabilityState">
<Category>AvailabilityHealth</Category>
<AlertSettings AlertMessage="Microsoft.SharePointPortalServer.2003.BackupService.NTService.CheckServiceState.Monitor.AlertMessage">
<AlertOnState>Error</AlertOnState>
<AutoResolve>true</AutoResolve>
<AlertPriority>Normal</AlertPriority>
<AlertSeverity>Error</AlertSeverity>
</AlertSettings>
<OperationalStates>
<OperationalState HealthState="Success" MonitorTypeStateID="Running" ID="BackupService2003Running"/>
<OperationalState HealthState="Error" MonitorTypeStateID="NotRunning" ID="BackupService2003NotRunning"/>
</OperationalStates>
<Configuration>
<ComputerName>$Target/Host/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</ComputerName>
<ServiceName>SPSBackup</ServiceName>
</Configuration>
</UnitMonitor>