This policy setting turns on logging. If you enable or do not configure this policy setting then events can be written to this log. If the policy setting is disabled then no new events can be logged. Events can always be read from the log regardless of this policy setting.
* Making mistakes while changing registry values can affect your system adversely. We recommend you to create a System Restore point before making registry manipulation. If you're new to Registry Editor, read this beginner's guide.
** To locate the registry and administrative template path, checkout beginner's guide.