MSSQL on Windows: A SNI call failed during a Service Broker/Database Mirroring transport operation

Microsoft.SQLServer.Windows.EventRule.DBEngine.An_SNI_call_failed_during_a_Service_Broker_Database_Mirroring_transport_operation_1_5_Rule (Rule)

The rule triggers an alert when a SNI call fails during a Service Broker/Database Mirroring transport operation. Note that this rule is disabled by default. Use overrides to enable it when necessary.

Knowledge Base article:

Summary

SQL Server Service Broker or Database Mirroring attempted to access the transport layer through the SQL Network Interface (SNI). SNI returned an error. Transport cannot continue.

Service Broker or Database Mirroring has made a call to the SNI and it has returned an error. SQL Server transport cannot continue. The error is written to the Windows application log as MSSQLSERVER event ID 8471.

Causes

This is caused by either an improper network connection or failure of the physical network.

Resolutions

Check the system error logs. Look for other errors related to network problems.

Verify that the network is properly configured.

Verify that the server is connected to the physical network and that the physical network is operating properly.

Overridable Parameters

Name

Description

Default Value

Enabled

Enables or disables the workflow.

No

Interval (seconds)

The recurring interval of time in seconds in which to run the workflow.

300

Priority

Defines Alert Priority.

1

Severity

Defines Alert Severity.

2

Synchronization Time

The synchronization time specified by using a 24-hour format. May be omitted.

 

Timeout (seconds)

Specifies the time the workflow is allowed to run before being closed and marked as failed.

200

Timeout for query execution (seconds)

The workflow will fail and register an event, if the query execution takes longer than the specified period.

60

Timeout for database connection (seconds)

The workflow will fail and register an event, if it cannot access the database during the specified period.

15

Element properties:

TargetMicrosoft.SQLServer.Windows.DBEngine
CategoryEventCollection
EnabledFalse
Alert GenerateTrue
Alert SeverityError
Alert PriorityNormal
RemotableTrue
Alert Message
MSSQL on Windows: A SNI call failed during a Service Broker/Database Mirroring transport operation
{2}
CommentMom2017ID='{83D194E9-BD2D-4A4B-B818-4820F94C9A54}';MOM2017GroupID={467ECC75-C5DA-42BD-955C-A73BBB51AF74}

Member Modules:

ID Module Type TypeId RunAs 
_F6DA1507_12AF_11D3_AB21_00A0C98620CE_ DataSource Microsoft.SQLServer.Windows.DataSource.EventCollectionFiltered Default
GenerateAlert WriteAction System.Health.GenerateAlert Default

Source Code:

<Rule ID="Microsoft.SQLServer.Windows.EventRule.DBEngine.An_SNI_call_failed_during_a_Service_Broker_Database_Mirroring_transport_operation_1_5_Rule" Target="SqlDiscW!Microsoft.SQLServer.Windows.DBEngine" Enabled="false" ConfirmDelivery="true" Remotable="true" Comment="Mom2017ID='{83D194E9-BD2D-4A4B-B818-4820F94C9A54}';MOM2017GroupID={467ECC75-C5DA-42BD-955C-A73BBB51AF74}">
<Category>EventCollection</Category>
<DataSources>
<DataSource ID="_F6DA1507_12AF_11D3_AB21_00A0C98620CE_" Comment="{F6DA1507-12AF-11D3-AB21-00A0C98620CE}" TypeID="Microsoft.SQLServer.Windows.DataSource.EventCollectionFiltered">
<MachineName>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/MachineName$</MachineName>
<NetbiosComputerName>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/NetbiosComputerName$</NetbiosComputerName>
<InstanceName>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/InstanceName$</InstanceName>
<ConnectionString>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/ConnectionString$</ConnectionString>
<InstanceVersion>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/Version$</InstanceVersion>
<InstanceEdition>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/Edition$</InstanceEdition>
<MonitoringType>$Target/Property[Type="SqlDiscW!Microsoft.SQLServer.Windows.DBEngine"]/MonitoringType$</MonitoringType>
<SqlExecTimeoutSeconds>60</SqlExecTimeoutSeconds>
<SqlTimeoutSeconds>15</SqlTimeoutSeconds>
<TimeoutSeconds>200</TimeoutSeconds>
<IntervalSeconds>300</IntervalSeconds>
<SyncTime/>
<EventDisplayNumber>8471</EventDisplayNumber>
</DataSource>
</DataSources>
<WriteActions>
<WriteAction ID="GenerateAlert" TypeID="Health!System.Health.GenerateAlert">
<Priority>1</Priority>
<Severity>2</Severity>
<AlertMessageId>$MPElement[Name="Microsoft.SQLServer.Windows.EventRule.DBEngine.An_SNI_call_failed_during_a_Service_Broker_Database_Mirroring_transport_operation_1_5_Rule.AlertMessage"]$</AlertMessageId>
<AlertParameters>
<AlertParameter1>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/MachineName$</AlertParameter1>
<AlertParameter2>$Target/Property[Type="SqlCoreLib!Microsoft.SQLServer.Core.DBEngine"]/InstanceName$</AlertParameter2>
<AlertParameter3>Event ID: $Data/Property[@Name='EventID']$. $Data/Property[@Name='Message']$</AlertParameter3>
</AlertParameters>
<Suppression>
<SuppressionValue/>
</Suppression>
</WriteAction>
</WriteActions>
</Rule>