If you want to use the Reliability Monitor in Windows Server 2008 R2 you must first enable the task that gathers information in the Task Scheduler.

1. Click Start, type Task Scheduler in the Search box, and then click Task Scheduler.
2. Enable the trigger that regularly starts the RacTask task.
   1. In Task Scheduler, expand Task Scheduler Library, expand Microsoft, and then expandWindows.
   2. Right-click RAC, click View, and then click to select the Show Hidden Tasks command.Note If the Show Hidden Tasks command is already selected, go to step 2c.
   3. Double-click RacTask.
   4. In the RacTask Properties dialog box, click the Triggers tab.
   5. On the Triggers tab, double-click the One time trigger.
   6. In the Edit Trigger dialog box, click to select the Enabled option, and then click OK.
   7. In the RacTask Properties dialog box, click OK.
   8. Close Task Scheduler.
3. Update a registry setting.
   1. Click Start, type Regedit in the Search box, and then click Regedit.
   2. In Registry Editor, set the value of the following registry entry to 1:
      HKEY_LOCAL_MACHINESOFTWAREMicrosoftReliability AnalysisWMIWMIEnable
4. Restart the computer.