FreePBX - Can't contact LDAP server

NethServer Version: 7.6

I try to connect a nativ freepbx server to my NethServer 7.6 AD in the same LAN-Subnet, but get the error: Can’t contact LDAP server.

I use the credentials from this example:

Maybe there is some firewallrule to set ?

Is your NS7.6 AD running in a VM?

You may try the nsdc IP address in the “Host” field.

Maybe disable samba strong auth or use a valid cert helps, see AD / LDAP UID vs UserPrincipalName


Tried it without luck…

Not sure atm if I can do that. Thank you…