Hi Mark,
According to syslog-ng problem, the same problem also hit me with ZCS 6.0.4 with SLES 11 64 bit but what make me confused, I'm trying ZCS 6.0.3 clean install with SLES 11 64 bit and it has no problem with syslog-ng. Trying to upgrade into 6.0.4 and similar problem hit me again.
Sadly, I haven't compare the syslog-ng configuration between two version
