LC:SIP - 09 - Access Edge Server Messages\SIP - 057 - External Messages/sec Dropped Due To Unresolved Domain\ perf counter exceeded specified threshold. Current value is {0}
The per-second rate of messages dropped at the external edge because the domain failed to resolve by DNS SRV.
The Access Edge Server received SIP messages with a domain that failed to resolve by DNS SRV.
If the number is high then the Access Edge Server may be under attack.
Target | Microsoft_Office_Communications_Server_2007_R2_Access_Edge_Server | ||
Parent Monitor | System.Health.PerformanceState | ||
Category | PerformanceHealth | ||
Enabled | True | ||
Instance Name | LC:SIP - 09 - Access Edge Server Messages | ||
Counter Name | SIP - 057 - External Messages/sec Dropped Due To Unresolved Domain | ||
Frequency | 900 | ||
Alert Generate | True | ||
Alert Severity | Error | ||
Alert Priority | Normal | ||
Alert Auto Resolve | True | ||
Monitor Type | System.Performance.ThresholdMonitorType | ||
Remotable | True | ||
Accessibility | Public | ||
Alert Message |
| ||
RunAs | Default |
<UnitMonitor ID="LC_SIP___09___Access_Edge_Server_Messages_SIP___057___External_Messages_sec_Dropped_Due_To_Unresolved_Domain__10__AP" Accessibility="Public" Enabled="true" Target="Microsoft_Office_Communications_Server_2007_R2_Access_Edge_Server" ParentMonitorID="SCHealth!System.Health.PerformanceState" Remotable="true" Priority="Normal" TypeID="SCPerformance!System.Performance.ThresholdMonitorType" ConfirmDelivery="false">
<Category>PerformanceHealth</Category>
<AlertSettings AlertMessage="LC_SIP___09___Access_Edge_Server_Messages_SIP___057___External_Messages_sec_Dropped_Due_To_Unresolved_Domain______The_per_second_rate_of_messages_dropped_at_the_external_edge_because_the_domain_failed_to_resolve_by_DNS_SRV_">
<AlertOnState>Error</AlertOnState>
<AutoResolve>true</AutoResolve>
<AlertPriority>Normal</AlertPriority>
<AlertSeverity>Error</AlertSeverity>
</AlertSettings>
<OperationalStates>
<OperationalState ID="LC_SIP___09___Access_Edge_Server_Messages_SIP___057___External_Messages_sec_Dropped_Due_To_Unresolved_Domain__10__AP_OverThreshold" MonitorTypeStateID="OverThreshold" HealthState="Error"/>
<OperationalState ID="LC_SIP___09___Access_Edge_Server_Messages_SIP___057___External_Messages_sec_Dropped_Due_To_Unresolved_Domain__10__AP_UnderThresold" MonitorTypeStateID="UnderThreshold" HealthState="Success"/>
</OperationalStates>
<Configuration>
<ComputerName>$Target/Host/Property[Type="SCWindowsLibrary!Microsoft.Windows.Computer"]/NetworkName$</ComputerName>
<CounterName>SIP - 057 - External Messages/sec Dropped Due To Unresolved Domain</CounterName>
<ObjectName>LC:SIP - 09 - Access Edge Server Messages</ObjectName>
<InstanceName/>
<AllInstances>false</AllInstances>
<Frequency>900</Frequency>
<Threshold>10</Threshold>
</Configuration>
</UnitMonitor>