I'm testing Owncloud 5.06 app and in the admin page owncloud shows this alert:
Your web server is not yet properly setup to allow files synchronization because the WebDAV interface seems to be broken. Please double check the installation guides.
Log says:
isWebDAVWorking: NO - Reason: exception 'Sabre_DAV_Exception_NotFound' with message 'Resource not found.' in E:\BitNami\owncloud-5.0.6-0\apps\owncloud\htdocs\3rdparty\Sabre\DAV\Client.php:424 Stack trace: #0 E:\BitNami\owncloud-5.0.6-0\apps\owncloud\htdocs\3rdparty\Sabre\DAV\Client.php(179): Sabre_DAV_Client->request('PROPFIND', '', '<?xml version="...', Array) #1 E:\BitNami\owncloud-5.0.6-0\apps\owncloud\htdocs\lib\util.php(593): Sabre_DAV_Client->propFind('', Array) #2 E:\BitNami\owncloud-5.0.6-0\apps\owncloud\htdocs\settings\admin.php(34): OC_Util::isWebDAVWorking() #3 E:\BitNami\owncloud-5.0.6-0\apps\owncloud\htdocs\lib\route.php(113) : runtime-created function(1): require_once('E:\BitNami\ownc...') #4 [internal function]: __lambda_func(Array) #5 E:\BitNami\owncloud-5.0.6-0\apps\owncloud\htdocs\lib\router.php(127): call_user_func('?lambda_8', Array) #6 E:\BitNami\owncloud-5.0.6-0\apps\owncloud\htdocs\lib\base.php(608): OC_Router->match('/settings/admin') #7 E:\BitNami\owncloud-5.0.6-0\apps\owncloud\htdocs\index.php(28): OC::handleRequest() #8 {main}