If required, all license transactions can be logged via the standard syslog daemon services. Details of product, license, user and host are logged as a LOG_USER facility at the LOG_INFO level for each basic transaction, and at the LOG_WARNING level for certain error conditions. If this is required, configure the syslog.conf file accordingly. The type and extent of logged information is configurable with the -loglevel option to hqn_lsa.
LispWorks Guide to the License Server - 16 Feb 2015