Parent Paths option is disabled in IIS 6.0

By default, the Parent Paths option is enabled in IIS 5.0, but it is disabled by default in IIS 6.0
If you are upgrading from IIS 5 to IIS 6, you might find that certain pages are displaying correctly.

If your Web site or application uses relative parent paths in an include statement they will not work by default in IIS6.Relative parent paths in include statements use the following form:

The best solution to the problem is to use absolute virtual paths from the root of the Web site instead of relative paths.Example:


However, it is possible to allow Parent Paths. This is simply done by the following steps:

1. Open IIS and locate the website that contains the asp application.
2. Right click the website and click properties.
3. Select the home directory tab and then click Configuration.
4. Click the options tab and then select the Enable Parent Paths check box.
5. Click OK twice to confirm the changes.

For more details, take a look at the following Microsoft article:
http://support.microsoft.com/default.aspx?scid=kb;en-us;332117