These forums are locked and archived, but all topics have been migrated to the new forum. You can search for this topic on the new forum: Search for New Virtualmin “subserver” (subdomain) returning 403 error on the new forum.
Yet, when I access sub.domain.com via a browser, I get:
Forbidden You don't have permission to access / on this server.
I do not have a .htaccess file in public_html. The error log simply says "AH01630: client denied by server configuration"