Website on Plesk is inaccessible: 403 Forbidden: No matching DirectoryIndex

Symptoms

• The website is inaccessible. The following error is shown in a browser:

  CONFIG_TEXT: 403 Forbidden

• In Plesk for Linux the following error can be found in the domain Apache logs /var/www/vhosts/system/example.com/logs/error_log:

  CONFIG_TEXT: [autoindex:error] [pid 30047] [client 203.0.113.2:36811] AH01276: Cannot serve directory /var/www/vhosts/example/httpdocs/: No matching DirectoryIndex (index.html,index.cgi,index.pl,index.php,index.xhtml,index.htm,index.shtml) found, and server-generated directory index forbidden by Options directive

• All the website content is located in the custom Document root (i.e. /var/www/vhosts/example.com/subdomains/app/httpdocs in Plesk for Linux or %plesk_vhosts%example.com\subdomains\app\httpdocs in Plesk for Windows) instead of the default one( /var/www/vhosts/example.com/httpdocs in Plesk for Linux or %plesk_vhosts%example.com\httpdocs in Plesk for Windows).

Cause

Domain misconfiguration.

Resolution

1. Log into Plesk
2. Make sure that the error is the same as in symptoms.
3. Modify the Document Root in Plesk > Domains > example.com > Hosting Settings setting the default one - /httpdocs:
   

Note: If the menu is absent or different, contact server's administrator/Hosting Provider or upgrade to the latest Plesk version.