Welcome to the Sage 200 Support Group on Community Hub! Available 24/7, the forums are a great place to ask and answer product questions, as well as share tips and tricks with Sage peers, partners, and pros.
From reading this article; https://support.microsoft.com/en-us/help/4520412/2020-ldap-channel-binding-and-ldap-signing-requirement-for-windows
It looks like Microsoft is going to retire off LDAP lookups, we currently use LDAP for users to log into…