Log files that were collected longer than the retention interval ago will be removed regardless of space constraints.
Setting to any integer less than 1 will disable pruning by age.
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2