Unable to create a successful TLS connection to the ldap masters when upgrade zimbra

Unable to create a successful TLS connection to the ldap masters – Assalamualaikum, when we are upgrading zimbra version from 8.7.11 to 8.8.12, we found this error. And this is how to fix it : Run this on the ldap and proxy servers before the upgrade Note : the command function is to disable TLS, … Read more Unable to create a successful TLS connection to the ldap masters when upgrade zimbra