Log4Net configuration for a rolling file appender with a new file each day.

Log4NetConfigRollingFileAppenderDaily

<log4net>

	<appender name="rollFile" type="log4net.Appender.RollingFileAppender">
		<file value="C:\path\log" />  
		<rollingStyle value="Date" />
		<datePattern value="yyyy-MM-dd'.txt'" />  <!-- added .txt to end of date pattern so that the file extension txt will be used, note that .txt is escaped by single quotes -->
		<appendToFile value="true" />
		<staticLogFileName value="false" />


	  <layout type="log4net.Layout.PatternLayout">
		<!-- note that &#x09; is tab -->
		<!-- tab must be specified with XML escape characters -->
		<conversionPattern value="%date{yyyy-MM-dd HH:mm:ss:fff}&#x09;%level&#x09;%message&#x09;%exception%newline" />
	  </layout>

	</appender>
	
	<root>
		<!-- log DEBUG level and above-->
		<level value="DEBUG" />

		<!-- reference the configured appenders to write log entries to -->
		<appender-ref ref="rollFile" />
	</root>
	
</log4net>