Duplicate Log statements

I have recently started using log4Net and our intent is to use it for logging 
on an engineering
application that we are developing.
I have run into the following problem:
-I have two levels of logging defined in my config file. One level for my 
client app and another
for an assembly dll that this exe uses.
-When I try to log using logger.Info("log something") in the client.exe I get 
the follwing output
in my logFile  
2005-02-09 15:26:53,918 INFO MyLogger 
[MetToledoScale.TestScale][TestScale_Load] - Client did
something
2005-02-09 15:26:53,918 INFO MyLogger 
[MetToledoScale.TestScale][TestScale_Load] - Client did
something

The same statement appears twice.

- Now when I make the same call in the dll it appears three times as follows:
2005-02-09 15:26:54,089 INFO MyLogger.Scale 
[BSC.EE.Devices.Scale.MettlerToledoMX5][.ctor] - dll
did something
2005-02-09 15:26:54,089 INFO MyLogger.Scale 
[BSC.EE.Devices.Scale.MettlerToledoMX5][.ctor] - dll
did something
2005-02-09 15:26:54,089 INFO MyLogger.Scale 
[BSC.EE.Devices.Scale.MettlerToledoMX5][.ctor] - dll
did something


Is there any way to prevent the duplicates?

Here is my config file:

<?xml version="1.0" encoding="utf-8" ?>
<configuration>

 <configSections>
                <section name="log4net"
type="log4net.Config.Log4NetConfigurationSectionHandler,log4net-net-1.1"/>
 </configSections>

<log4net>
        
        <root>
                <appender-ref ref="FileAppender" />
        </root>
        
        <logger name="MyLogger"> 
                <level value="Info" />
                <appender-ref ref="FileAppender" />
        </logger>       

        <logger name="MyLogger.Scale"> 
                <level value="Info" />
                <appender-ref ref="FileAppender" />
        </logger>       


        <appender name="FileAppender" type="log4net.Appender.FileAppender">
                <param name="File" value="LogHelloWorld.log" />            
                <param name="AppendToFile" value="true" />
        <layout type="log4net.Layout.PatternLayout">
                        <param name="ConversionPattern" value="%d %-p %c 
[%C][%M] - %m%n" />
        </layout>
        </appender>             
        

</log4net>

</configuration>




                
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