Hi Dominik, Please find appender configuration for which we are facing the problem as below :
<appender name="MessageAppender" type="log4net.Appender.RollingFileAppender"> <threshold value="INFO"/> <file value="${SystemDrive}\[some folder name]\[file name].txt"/> <appendToFile value="true"/> <maximumFileSize value="500MB"/> <staticLogFileName value="true"/> <maxSizeRollBackups value="10"/> <datePattern value="_yyyyMMdd-HH".txt""/> <rollingStyle value="Composite"/> <preserveLogFileNameExtension value="true"/> <layout type="log4net.Layout.PatternLayout"> </layout> <dateTimeStrategy type="log4net.Appender.RollingFileAppender+UniversalDateTime" /> </appender> Thanks in advance. Kinnar -- View this message in context: http://apache-logging.6191.n7.nabble.com/Rolling-File-Operation-Failing-with-Source-does-not-exist-tp62802p62877.html Sent from the Log4net - Users mailing list archive at Nabble.com.