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
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# su - zimbra $ zmlocalconfig -e ssl_allow_untrusted_certs=true $ zmlocalconfig -e ldap_starttls_supported=0 $ zmlocalconfig -e ldap_starttls_required=false $ zmlocalconfig -e ldap_common_require_tls=0 $ zmcontrol restart |
Note : the command function is to disable TLS, after the upgrade is done, TLS can be enabled again by flipping the values for the above.
Refrence | Read this : Blacklist User/IP Address Fortimail
May be usefull & enjoy, wassalamualaikum