[Samba] Samba AD not listening on ipv4 - 464/tcp

[pavel.lisy at gmail.com]

Hello

I'm not able to connect to Samba AD domain by realm. 

sudo realm join OFFICE.COMPANY.COM -U administrator

Password for administrator: 
See: journalctl REALMD_OPERATION=r41422.307314
realm: Couldn't join realm: Failed to join the domain

this is in journal:

smbmem41.office.company.com realmd[211374]: adcli: joining domain office.company.com failed: Couldn't set password for computer account: SMBMEM41$: Cannot contact any KDC for requested realm

according to 
https://access.redhat.com/solutions/3697241
it is necessary to open ports 464/tpc,  464/udp  (kpasswd5)

but samba AD is listening on IPv6 localhost only

sudo ss -tulpn | grep ':464\|:88'
udp   UNCONN 0      0              0.0.0.0:88         0.0.0.0:*    users:(("krb5kdc",pid=217785,fd=16))                                                                                                                     
udp   UNCONN 0      0                [::1]:464           [::]:*    users:(("kdc[master]",pid=217782,fd=38))                                                                                                                 
tcp   LISTEN 0      5              0.0.0.0:88         0.0.0.0:*    users:(("krb5kdc",pid=217785,fd=17))                                                                                                                     
tcp   LISTEN 0      10               [::1]:464           [::]:*    users:(("kdc[master]",pid=217782,fd=37)) 


I'm trying to set this explicitly in
file /var/lib/samba/private/kdc.conf by this directive "kpasswd_listen"

[kdcdefaults]
   kdc_listen = 0.0.0.0
   kdc_tcp_listen = 0.0.0.0
   kpasswd_listen = 127.0.0.1:464 192.168.95.111:464
   kdc_ports = 88
   kdc_tcp_ports = 88

but nothing changed

when I've changed kdc_listen I can see difference by "sudo ss -tulpn"
but no changes for kpasswd_listen

How is it possible to make it work?

Pavel