Skype for Business Server has encountered DNS host name query failures for a peer server that is still configured.
There may be problems in the DNS infrastructure.
Check that DNS services are functioning correctly. If the identified server is no longer deployed then consider removing it from the local configuration.
Target | Microsoft.LS.2019.Component.AccessEdge | ||
Parent Monitor | System.Health.AvailabilityState | ||
Category | AvailabilityHealth | ||
Enabled | True | ||
Alert Generate | True | ||
Alert Severity | Error | ||
Alert Priority | High | ||
Alert Auto Resolve | True | ||
Monitor Type | Microsoft.LS.2019.MonitorType.TimerResetEvent.Simple | ||
Remotable | True | ||
Accessibility | Public | ||
Alert Message |
| ||
RunAs | Default |
<UnitMonitor ID="Microsoft.LS.2019.Monitoring.UnitMonitor.TimerResetEvent.AccessEdge.SIPPROXY_E_UNEXPECTED_DNS_HOST_FAILURE" Accessibility="Public" Enabled="true" Target="SFBDiscovery!Microsoft.LS.2019.Component.AccessEdge" ParentMonitorID="Health!System.Health.AvailabilityState" Remotable="true" Priority="Normal" TypeID="Microsoft.LS.2019.MonitorType.TimerResetEvent.Simple" ConfirmDelivery="true">
<Category>AvailabilityHealth</Category>
<AlertSettings AlertMessage="Alert_Skype_for_Business_Server_has_encountered_DNS_host_name_query_failures_for_a_peer_server_that_is_still_configured.">
<AlertOnState>Error</AlertOnState>
<AutoResolve>true</AutoResolve>
<AlertPriority>High</AlertPriority>
<AlertSeverity>Error</AlertSeverity>
<AlertParameters>
<AlertParameter1>$Data/Context/EventDescription$</AlertParameter1>
</AlertParameters>
</AlertSettings>
<OperationalStates>
<OperationalState ID="Microsoft.LS.2019.Monitoring.UnitMonitor.TimerResetEvent.AccessEdge.SIPPROXY_E_UNEXPECTED_DNS_HOST_FAILURE.Timer" MonitorTypeStateID="TimerEventRaised" HealthState="Success"/>
<OperationalState ID="Microsoft.LS.2019.Monitoring.UnitMonitor.TimerResetEvent.AccessEdge.SIPPROXY_E_UNEXPECTED_DNS_HOST_FAILURE.Error" MonitorTypeStateID="ErrorEventRaised" HealthState="Error"/>
</OperationalStates>
<Configuration>
<ComputerName>$Target/Host/Host/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</ComputerName>
<LogName>Lync Server</LogName>
<ErrorExpression>
<And>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="UnsignedInteger">EventDisplayNumber</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="UnsignedInteger">14627</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="String">PublisherName</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="String">LS Protocol Stack</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
</And>
</ErrorExpression>
<AutoResolveInterval>1200</AutoResolveInterval>
</Configuration>
</UnitMonitor>