According to this Security Advisory, Microsoft provides recommendations for administrators to harden the configurations for LDAP channel binding and LDAP signing on Active Directory domain controllers.
On the PolicyServer, users can navigate to the the following settings and change the port number to ‘636’ for LDAPS:
Afterwards, the changes will take effect after the next Active Directory synchronization with the PolicyServer or once the PolicyServer Windows service is restarted.
The setting is not available on Apex Central/Control Manager so Administrators will need to change it only on the PolicyServer MMC.
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