The Software Update component has its own server. The following files record activity for this server:
Audit Log
On Oracle Solaris: /var/opt/sun/xvm/uce/var.opt/server/logs/audit.log
On Linux: /usr/local/uce/server/logs/audit.log
Errors
On Oracle Solaris: /var/opt/sun/xvm/uce/var.opt/server/logs/error.log
On Linux: /usr/local/uce/server/logs/error.log
Download jobs: /opt/SUNWuce/server/logs/SERVICE_CHANNEL/error.log
Job Log
On Oracle Solaris: /var/opt/sun/xvm/uce/var.opt/server/logs/job.log
On Linux: /usr/local/uce/server/logs/job.log