[Samba] Unable to authenticate ldap externally after upgrade from 4.4.0 to 4.4.2

[lingpanda101 at gmail.com]

Hello,

     After upgrading all external services will no longer authenticate 
to the domain. One of those is osTicket. Looking through the release 
notes I figured this would happen. However I'm a bit tentative to make 
changes to my smb.conf without doing damage and asking for help from the 
list. I have 6 DC's. One holds all the FMSO roles. This is the smb.conf 
from that DC.

[global]
         workgroup = DOMAIN
         realm = DOMAIN.LOCAL
         netbios name = PFDC1
         server role = active directory domain controller
         dns forwarder = 8.8.8.8
         idmap_ldb:use rfc2307 = Yes

         log level = 0
         logging = syslog at 1 file
         debug uid = Yes
         debug pid = Yes

         allow dns updates = nonsecure

         load printers = No
         printcap name = /dev/null
         disable spoolss = Yes

         # Add and Update TLS Key
         tls enabled = yes
         tls keyfile = tls/sambaKey.pem
         tls certfile = tls/sambaCert.pem
         tls cafile =


[netlogon]
         path = /usr/local/samba/var/locks/sysvol/domain.local/scripts
         read only = No

[sysvol]
         path = /usr/local/samba/var/locks/sysvol
         read only = No


The only difference this DC has in it's smb.conf from the others is the 
TLS key section. I needed to create a custom self-signed certificate for 
another service that required a stronger key. 2048 bit. Not sure if this 
has any bearing on my issue. I think my issue has to do with the the 
following value

'ldap server require strong auth = yes'

Is this where I should be looking? For reference this is how I setup 
osTicket parameters for external ldap authentication.

http://blog.zwiegnet.com/linux-server/configure-osticket-for-ldap-authentication/

Dc's are all Ubuntu 12.04. Installed Samba from tar and the following 
commands.

./configure
make
make install

Installation went fine without error. Thanks.

-- 
-James