SymptomsWhen going to a website preview specifying a subfolder (eg. http://xxx.xxx.xxx.xxx/$sitepreview/domain.com/subfolder) without a document name, the users are redirected to the actual domain itself.
ResolutionIt’s the peculiarity of IIS itself and sitepreview filter is likely to be working correctly:
http://xxx.xxx.xxx.xxx/$sitepreview/domain.com/subfolder IIS returns a `Location` to browser pointing to ttp://domain.com/subfolder/ (because IIS has recognized it as a directory not a file). and browser follows that URL. If domain.com is resolved in DNS then you are likely to a get 403 error - directory listing denied or 404 - not found.
In this case the Plesk redirection filter is not applied at all. So one should explicitly specify `/` at the end of the address string, such as http://xxx.xxx.xxx.xxx/$sitepreview/domain.com/subfolder/
AdditionalInformationMore information about this IIS behavior can be found here: