If your programme can write to the local file system but not to a mapped drive then it sounds like you are having permissions related issues. Probably the best bet is to enable internal logging which will show you any errors.
http://logging.apache.org/log4net/release/manual/faq.html#internalDebug Nicko > -----Original Message----- > From: Cheng [mailto:[EMAIL PROTECTED] > Sent: 04 August 2004 17:40 > To: Log4NET User > Subject: Can"t write to a network drive > > I am using the log4net"s FileAppender. It is perfectly fine > when the logfile is set to a directory in the local hard > drive. However if the logfile is in a mapped network drive, > log4net refuses to log anything and there is not any error > message either. Is there any way to solve it? > > Here is the config for lcoal drive d:\ > <param name="File" value="d:\\logfiles\\Log.txt" /> it is > working fine. > > here is config for a mapped network drive U:\ <param name="File" > value="U:\\logfiles\\Log.txt" /> which doesn"t work. > > Thanks >