So on FreeBSD 12 i had install Openfire 4.2.3,1.
And in setup wizard i can not connect it to Active Directory.
Always got error connection.
The log says about it nothing.
BTW, the 4.2.1 version work well with the same AD connection settings.
The settings like this (AD test.int)
Base DN: ou:Users,dc:test,dc:int
Administrator DN: someaduser
Ok, i had check 4.2.1 - the same problem, does not work with AD.