By reporting bugs and publishing element requests, you are able to actively be involved in shaping the future of Zimbra Free of charge. zmlocalconfig -e ldap_url=ldap://LDAPHOSTNAME.com:390 Notice you need to do all 3 of such or points will break. Once you've operate All those commands, you must restart ZCS: https://www.hostscheap.com/zimbra-support-premium-service