[Samba] Samba 4.3.11 join an exiting windows AD failed with timeout

[Rowland Penny]

On Tue, 16 Oct 2018 21:27:15 +0000
Ming Li via samba <samba at lists.samba.org> wrote:

> Thanks. It is an internal network. We opened up firewall. And windows
> DC is working well. 
> 
> We have two windows DCs now one PDC, anther BDC. 

No you haven't, you have two AD DC's.
The terms 'PDC' & 'BDC' refer to something altogether different.
The only difference between AD DC's is the FSMO roles and they can be
on multiple DC's


>We are moving to
> linux. So would like to add this linux  as BDC, and demote the
> currently windows BDC. And have a test. If all good, we will migrate
> it totally. But now cannot make it works. Any other place should I
> check to make it work?
> 

You could try using a Samba supported version, see here:

http://apt.van-belle.nl/

There have been a lot of changes since 4.3.x

Rowland