<log4net>
        <appender name="WindowsEventAppender" type="log4net.Appender.EventLogAppender">
            <param name="LogName" value="Application" />
            <applicationName value="Rating" />
            <layout type="log4net.Layout.PatternLayout">
                <conversionPattern value="%date [%thread] %-5level %logger%newline =&gt; %message%newline" />
            </layout>
            <filter type="log4net.Filter.LevelRangeFilter">
                <param name="LevelMin" value="ERROR" />
            </filter>
        </appender>
        <appender name="RollingFile" type="log4net.Appender.RollingFileAppender">
            <file value="RatingDocumentExtract.log" />
            <appendToFile value="true" />
            <maximumFileSize value="300KB" />
            <maxSizeRollBackups value="2" />
            <layout type="log4net.Layout.PatternLayout">
                <conversionPattern value="%level %thread %logger - %message%newline" />
            </layout>
        </appender>

        <root>
            <level value="DEBUG" />
            <appender-ref ref="WindowsEventAppender" />
            <appender-ref ref="RollingFile" />
        </root>
    </log4net>