By default session files older than a specified number of days are automatically deleted and the oldest files are removed when the total storage of all files for the same application exceeds a certain value. Setting this option to false will disable pruning.
Requirements
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