| Outlook Clients are unable to contact their Exchange Server. | A large number of the managed Office Outlook Clients are unable to contact their Exchange Server. As a result clients will be unable to send or receive new mail. | Microsoft.Office.Outlook.CustomerPerspective.Group.HealthDependsOn.Microsoft.Office.Outlook.RollupFromPassiveCommunicationStatus.Monitor | Microsoft.Office.Outlook.CustomerPerspective.Group | System.Health.AvailabilityState | Percentage | 10 | System.Health.AvailabilityState | Microsoft.Office.Outlook.CustomerPerspective.Group.Contains.Microsoft.Office.Outlook | AvailabilityHealth | True | True | Warning | Normal | True | True | Public |