IIS Configuration for Parent Path
Newer Versions of IIS have defaulted the setting for allowing referencing the parent to disable
In order to allow using ../ to reference the parent you must change the settings or
have your hosting company change the settings if this is the case
If Enable Parent Path is disabled you script will Error on lines like <# include Virtual="../includes/include_file.inc">
Using Internet Information Services management application choose properties to bring up the following screen
Click on the Configuration Button which will bring up the following screen
Make sure the Enable Parent Paths check Box is checked!