log4net:ERROR [AdoNetAppender] ErrorCode: GenericFailure. Failed in DoAppend
System.Data.SqlClient.SqlException (0x80131904): A transport-level error has occurred when sending the request to the server. (provider: Named Pipes Provider, error: 0 - The specified network name is no longer available.) ---> System.ComponentModel.Win32Exception (0x80004005): The specified network name is no longer available
   at System.Data.SqlClient.TdsParser.TdsExecuteRPC(_SqlRPC[] rpcArray, Int32 timeout, Boolean inSchema, SqlNotificationRequest notificationRequest, TdsParserStateObject stateObj, Boolean isCommandProc, Boolean sync, TaskCompletionSource`1 completion, Int32 startRpc, Int32 startParam)
   at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, SqlDataReader ds)
   at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean asyncWrite)
   at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(TaskCompletionSource`1 completion, String methodName, Boolean sendToPipe, Int32 timeout, Boolean asyncWrite)
   at System.Data.SqlClient.SqlCommand.ExecuteNonQuery()
   at log4net.Appender.AdoNetAppender.SendBuffer(IDbTransaction dbTran, LoggingEvent[] events)
   at log4net.Appender.AdoNetAppender.SendBuffer(LoggingEvent[] events)
   at log4net.Appender.BufferingAppenderSkeleton.Append(LoggingEvent loggingEvent)
   at log4net.Appender.AppenderSkeleton.DoAppend(LoggingEvent loggingEvent)
ClientConnectionId:a1efe1ac-6986-4a15-a233-7dcfee4ef60e
Error Number:64,State:0,Class:20

<?xml version="1.0"?>
<configuration>
    <log4net debug="true">
        <appender name="DebugAppender" type="log4net.Appender.DebugAppender">
            <layout type="log4net.Layout.PatternLayout">
                <conversionPattern value="%-4timestamp [%thread] %-5level %logger - %message%newline"/>
            </layout>
        </appender>
        <appender name="ConsoleAppender" type="log4net.Appender.ConsoleAppender">
            <layout type="log4net.Layout.PatternLayout">
                <conversionPattern value="%-4timestamp [%thread] %-5level %logger - %message%newline"/>
            </layout>
        </appender>
<appender name="RollingFileAppenderInfoErrorLogger" type="log4net.Appender.RollingFileAppender">
     <file value="D:HaloLogsLoaderService.log" />
    <appendToFile value="true" />
    <rollingStyle value="Size" />
    <maxSizeRollBackups value="10" />
    <maximumFileSize value="10240KB" />
    <staticLogFileName value="true" />
    <countDirection value="1"/>
    <threshold value="INFO"/>
    <layout type="log4net.Layout.PatternLayout">
      <conversionPattern value="%date %level %logger - %message%newline%newline" />
    </layout>
        <filter type="log4net.Filter.LevelRangeFilter">
      <param name="LevelMin" value="INFO"/>
      <param name="LevelMax" value="Error"/>
    </filter>
    </appender>
        <appender name="AdoNetAppender" type="log4net.Appender.AdoNetAppender">
            <bufferSize value="1"/>
            <usetransactions value="false"/>
            <connectionType value="System.Data.SqlClient.SqlConnection, System.Data, Version=1.0.3300.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
            <connectionStringName value="HaloAutomationLog"/>
            <commandText value="INSERT INTO [HaloAMS].[Logging].[ApplicationLog] ([LogDate],[Thread],[LogLevel],[Logger],[LogMessage],[Exception]) VALUES (@log_date, @thread, @log_level, @logger, @message, @exception)"/>
            <parameter>
                <parameterName value="@log_date"/>
                <dbType value="DateTime"/>
                <layout type="log4net.Layout.RawTimeStampLayout"/>
            </parameter>
            <parameter>
                <parameterName value="@thread"/>
                <dbType value="String"/>
                <size value="255"/>
                <layout type="log4net.Layout.PatternLayout">
                    <conversionPattern value="%thread"/>
                </layout>
            </parameter>
            <parameter>
                <parameterName value="@log_level"/>
                <dbType value="String"/>
                <size value="50"/>
                <layout type="log4net.Layout.PatternLayout">
                    <conversionPattern value="%level"/>
                </layout>
            </parameter>
            <parameter>
                <parameterName value="@logger"/>
                <dbType value="String"/>
                <size value="255"/>
                <layout type="log4net.Layout.PatternLayout">
                    <conversionPattern value="%logger"/>
                </layout>
            </parameter>
            <parameter>
                <parameterName value="@message"/>
                <dbType value="String"/>
                <size value="-1"/>
                <layout type="log4net.Layout.PatternLayout">
                    <conversionPattern value="%message"/>
                </layout>
            </parameter>
            <parameter>
                <parameterName value="@exception"/>
                <dbType value="String"/>
                <size value="2000"/>
                <layout type="log4net.Layout.ExceptionLayout"/>
            </parameter>
        </appender>
        <root>
            <level value="INFO" />
            <appender-ref ref="RollingFileAppenderInfoErrorLogger" />
        <appender-ref ref="AdoNetAppender"/>
        </root>
    </log4net>
</configuration>