The backup hard drive does not have enough free space for the Server Backup

Microsoft.Windows.Server.Essentials.BackupTargetMediaFull (UnitMonitor)

Knowledge Base article:

Summary

This monitor detects the following critical alert on the server that is monitored: The backup hard drive does not have enough free space for the Server Backup

Causes

The server that is monitored raised an critical alert.

Resolutions

To increase free space

1. Connect a larger hard drive to the server.

Note: If you choose to keep the existing number of items to backup, you must replace the existing hard drive with a larger hard drive. Adding an additional hard drive to Server Backup will not correct the problem.

2. Open the Dashboard.

3. Click Devices, and then click Customize Backup for the server.

4. In the Customize Server Backup Wizard, click Next, and then click Change Server Backup settings.

5. Clear the check box for the existing hard drive that is the current backup destination, and then select the new hard drive as the new backup destination.

6. Finish the wizard.

Element properties:

Target

Microsoft.Windows.Server.Essentials.ComputerTHClass

Parent Monitor

System.Health.AvailabilityState

Category

AvailabilityHealth

Enabled

True

Alert Generate

True

Alert Severity

Error

Alert Priority

Normal

Alert Auto Resolve

True

Monitor Type

Microsoft.Windows.2SingleEventLog2StateMonitorType

Remotable

True

Accessibility

Public

Alert Message

The backup hard drive does not have enough free space for the Server Backup

The backup hard drive does not have enough free space for the Server Backup. Attach a larger backup hard drive and then select it as the backup destination, or remove folders or drives from the Server Backup to reduce its size.

To increase free space
1. Connect a larger hard drive to the server.

Note: If you choose to keep the existing number of items to backup, you must replace the existing hard drive with a larger hard drive. Adding an additional hard drive to Server Backup will not correct the problem.

2. Open the Dashboard.
3. Click Devices, and then click Customize Backup for the server.
4. In the Customize Server Backup Wizard, click Next, and then click Change Server Backup settings.
5. Clear the check box for the existing hard drive that is the current backup destination, and then select the new hard drive as the new backup destination.
6. Finish the wizard.

RunAs

Default

Source Code:

<UnitMonitor ID="Microsoft.Windows.Server.Essentials.BackupTargetMediaFull" Accessibility="Public" Enabled="true" Target="Microsoft.Windows.Server.Essentials.ComputerTHClass" ParentMonitorID="Health!System.Health.AvailabilityState" Remotable="true" Priority="Normal" TypeID="Windows!Microsoft.Windows.2SingleEventLog2StateMonitorType" ConfirmDelivery="true">

  <Category>AvailabilityHealth</Category>

  <AlertSettings AlertMessage="Microsoft.Windows.Server.Essentials.BackupTargetMediaFull_AlertMessageResourceID">

    <AlertOnState>Error</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>Error</AlertSeverity>

    <AlertParameters>

      <AlertParameter1>$Data/Context/EventDescription$</AlertParameter1>

    </AlertParameters>

  </AlertSettings>

  <OperationalStates>

    <OperationalState ID="FirstEventRaised" MonitorTypeStateID="FirstEventRaised" HealthState="Error"/>

    <OperationalState ID="SecondEventRaised" MonitorTypeStateID="SecondEventRaised" HealthState="Success"/>

  </OperationalStates>

  <Configuration>

    <FirstComputerName>$Target/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</FirstComputerName>

    <FirstLogName>Microsoft-Windows-ServerEssentials/Admin</FirstLogName>

    <FirstExpression>

      <And>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

              <XPathQuery Type="UnsignedInteger">EventDisplayNumber</XPathQuery>

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="UnsignedInteger">1280</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

              <XPathQuery Type="String">PublisherName</XPathQuery>

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="String">Microsoft-Windows-Windows Server</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

              <XPathQuery Type="String">Params/Param[1]</XPathQuery>

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="String">BackupTargetMediaFull</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

              <XPathQuery Type="String">Params/Param[2]</XPathQuery>

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="String">$Target/Property[Type="Windows!Microsoft.Windows.Computer"]/NetbiosComputerName$</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

      </And>

    </FirstExpression>

    <SecondComputerName>$Target/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</SecondComputerName>

    <SecondLogName>Microsoft-Windows-ServerEssentials/Admin</SecondLogName>

    <SecondExpression>

      <And>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

              <XPathQuery Type="UnsignedInteger">EventDisplayNumber</XPathQuery>

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="UnsignedInteger">1283</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

              <XPathQuery Type="String">PublisherName</XPathQuery>

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="String">Microsoft-Windows-Windows Server</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

              <XPathQuery Type="String">Params/Param[1]</XPathQuery>

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="String">BackupTargetMediaFull</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

              <XPathQuery Type="String">Params/Param[2]</XPathQuery>

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="String">$Target/Property[Type="Windows!Microsoft.Windows.Computer"]/NetbiosComputerName$</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

      </And>

    </SecondExpression>

  </Configuration>

</UnitMonitor>