/users/unison/log directory, are a useful starting point for troubleshooting problems related to Calendar Server operations or performance.
The Calendar Server log files are found in the/users/unison/log/ directory.
Interpreting log files
Much of the content of the Calendar Server log files is self-explanatory, namely the sections referring to the status of the various daemons / servers. If you are uncertain about the content of a log file, contact Netscape's technical support for further assistance.