sms5614 Hi, consider that March 2020 update and also future updates will make NO changes. Customer will decide how to configure these settings.
We recommend to Audit all appliances/applications/devices and third-party OS which are making these types of unsecure connections and fix fix fix.
Be sure to read the public Security Advisory and KB that will be updated very very very soon, I know was scheduled last week, but we are there.
This is the link to the public Security Advisory
ADV190023 | Microsoft Guidance for Enabling LDAP Channel Binding and LDAP Signing: https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/ADV190023
This is the link to the public KB:
https://support.microsoft.com/en-us/help/4520412/2020-ldap-channel-binding-and-ldap-signing-requirement-for-windows
Regards
Alan @ PFE