SYMPTOMS
A folder configured as protected on a domain can be accessed without any authorization.CAUSE
1. Plesk ISAPI filter for protected directories is not configured on the web site.2. The web site server ID is not equal to server id stored in the Plesk database.
3. Misconfiguration in Plesk database.
RESOLUTION
1. Check whether urlprotect.dll ISAPI filter is enabled on a web site in IIS.IIS, Web sites, domain.com, Right Click, Properties, ISAPI Filters, urlprotect.dll
2. Check web site id in IIS.
IIS, Web sites, Find problem web site in list , Identifier is on the right from site name. Or use command line utility
"%plesk_bin%\websrvmng" --get-server-id --vhost-name=domain.com select server_id from hosting h, domains d where h.dom_id=d.id and d.name='domain.com'; "%plesk_bin%\websrvmng" --update-all-server-id Then restart Plesk Management Service.
3. If two previous steps did not help check table `protected_dirs` in Plesk DB. There should be no records with empty value in field path.
select * from protected_dirs where path=''; delete from protected_dirs where path='';