Please help us by providing the following info. Before posting please also check the pinned "Known issues" threads and make sure that you're running the latest available version for your oC release: https://owncloud.org/changelog/
Steps to reproduce
1.Owncloud can't connect windows ad server
2.Error Message：lost connected ldap
Tell us what should happen
I want to all windows Ad users could login Owncloud with their windows AD accounts,
but now configure the ldao always failed,I'm not sure root case.
Tell us what happens instead
Operating system:centos 7.0
Web server: apache2.2
ownCloud version (see ownCloud admin page):9.0
Updated from an older ownCloud or fresh install:no
ownCloud log (data/owncloud.log, see https://central.owncloud.org/t/how-to-find-webserver-or-oc-logfile-enable-php-logfile/808):
Special configuration (external storage, external authentication, reverse proxy, server-side-encryption):
Integrity status for oC9+
Login as admin user into your ownCloud and access http://example.com/index.php/settings/integrity/failed paste the results here.