AdminUI won't bind to AD for Administrative Authentication.
When going through external admin store configuration wizard, admin enters external user directory connection information, ends up getting an error in admin ui:
Error: A connection to the LDAP directory 'ad.demo.com:389' could not be established for user 'ad_service_account', please check the connection details and try again.
Customer has verified that the AD service account and password are correct.
policy server: 12.8sp2
If AD is listening on default port 389, you may remove the port number to move forward within wizard.
If AD is listening on non default port, then you must provide the specific port.