[samba-jp:22605] 別セグメントに追加DC作成でエラー

[nakaml]

こんにちは、仲村です。
お世話になります。
samba4 active directory の運用テストをしています。

ADの追加DCを、ルーターを超えた別セグメントに作ろうとしていますが、
samba-tool domain join でエラーになってしまいます。
同一セグメントでは成功するのですが、何かチェックする箇所ありますでしょうか。
kinitは成功しています。
アドバイスよろしくお願いします。


[root]# /usr/local/samba/bin/samba-tool domain join smbdomain.example.local DC -Uadministrator --realm=smbdomain.example.local --dns-backend=SAMBA_INTERNAL
Finding a writeable DC for domain 'smbdomain.example.local'
Found DC samba4ad1.smbdomain.example.local
Password for [WORKGROUP\administrator]:
workgroup is SMBDOMAIN
realm is smbdomain.example.local
checking sAMAccountName
Adding CN=SAMBA4AD2,OU=Domain Controllers,DC=smbdomain,DC=example,DC=local
Adding CN=SAMBA4AD2,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=smbdomain,DC=example,DC=local
Adding CN=NTDS Settings,CN=SAMBA4AD2,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=smbdomain,DC=example,DC=local
Join failed - cleaning up
checking sAMAccountName
Deleted CN=SAMBA4AD2,OU=Domain Controllers,DC=smbdomain,DC=example,DC=local
Deleted CN=SAMBA4AD2,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=smbdomain,DC=example,DC=local
ERROR(runtime): uncaught exception - (-1073741643, '{Device Timeout} The specified I/O operation on %hs was not completed before the time-out period expired.')
  File "/usr/local/samba/lib64/python2.6/site-packages/samba/netcmd/__init__.py", line 175, in _run
    return self.run(*args, **kwargs)
  File "/usr/local/samba/lib64/python2.6/site-packages/samba/netcmd/domain.py", line 613, in run
    machinepass=machinepass, use_ntvfs=use_ntvfs, dns_backend=dns_backend)
  File "/usr/local/samba/lib64/python2.6/site-packages/samba/join.py", line 1183, in join_DC
    ctx.do_join()
  File "/usr/local/samba/lib64/python2.6/site-packages/samba/join.py", line 1086, in do_join
    ctx.join_add_objects()
  File "/usr/local/samba/lib64/python2.6/site-packages/samba/join.py", line 562, in join_add_objects
    ctx.join_add_ntdsdsa()
  File "/usr/local/samba/lib64/python2.6/site-packages/samba/join.py", line 495, in join_add_ntdsdsa
    ctx.DsAddEntry([rec])
  File "/usr/local/samba/lib64/python2.6/site-packages/samba/join.py", line 393, in DsAddEntry
    ctx.drsuapi_connect()
  File "/usr/local/samba/lib64/python2.6/site-packages/samba/join.py", line 371, in drsuapi_connect
    ctx.drsuapi = drsuapi.drsuapi(binding_string, ctx.lp, ctx.creds)
[root]#