daily server log

I am trying to get the log written daily by MFT instead of the default 10 MB size . I changed the config file as below from size appender to dailyfile appender. But the change is not working even after restarting IS. what is the missing link? Anyone tried this?

<logger name="com.softwareag.mft" additivity="false">
        <level value="info"/>
        <appender-ref ref="Product.ActiveTransfer"/>
	<appender name="Product.ActiveTransfer.Daily" class="com.webmethods.sc.logging.log4j.WmDailyFileAppender"> 
	<param name="file" value="/SoftwareAG910/profiles/IS_default/logs/ActiveTransfer.log"/> 
	<param name="datePattern" value=".yyyy-MM-dd-HH-mm"/> 
	<layout class="com.webmethods.sc.logging.log4j.AlignedG8dEventLayout" />