3.7.5. Upgrading from syslog-ng OSE to syslog-ng PE The syslog-ng Premium Edition 7 Administrator Guide
If you wish to upgrade your existing syslog-ng OSE installation to syslog-ng PE, there are a number of considerations to keep in mind. This section highlights the main differences between syslog-ng OSE and syslog-ng PE that are useful to know before performing an upgrade. It also provides you with step-by-step instructions on how to do the upgrade.