[Samba] Samba 4 - problems with name resolution on Windows 7 clients

[X-Dimension]

Am 10.04.2013 19:15, schrieb Matthieu Patou:
> On 04/10/2013 09:48 AM, X-Dimension wrote:
>> We have a strange name resolution problem on Windows 7 clients. 
>> (Windows XP clients are working fine!)
>> If a Windows 7 client is connected more than 7 or 8 hours to our 
>> Samba 4 active directory server, we can't
>> do "ping servername" anymore, but "ping servername.domainname" works 
>> fine.
>> After logout and login again to the Windows 7 clients everything works!
> Can you check what is the ipconfig /all output on windows 7 clients ? 
> also you should do a tcpdump/wireshark trace on your client to see 
> which DNS request it is doing.
>> The main problem is, that all Windows clients access the samba shares 
>> by \\servername\sharename
>> and not \\servername.domainname\sharename and after 7 or 8 hours our 
>> users can't access the files
>> or programs on these shares.
>> What goes wrong here and what is the best way to fix this? I can 
>> change some GPOs and set all
>> shares to \\servername.domainname\sharename, but if there is a better 
>> solution i would prefer this.
>> Thx for help! :)
>
> Matthieu.
>
Here is the output of ipconfig /all:

Windows-IP-Konfiguration

    Hostname  . . . . . . . . . . . . : Client1
    Primäres DNS-Suffix . . . . . . . : mydomain.local
    Knotentyp . . . . . . . . . . . . : Hybrid
    IP-Routing aktiviert  . . . . . . : Nein
    WINS-Proxy aktiviert  . . . . . . : Nein
    DNS-Suffixsuchliste . . . . . . . : mydomain.local

Ethernet-Adapter LAN-Verbindung:

    Verbindungsspezifisches DNS-Suffix:
    Beschreibung. . . . . . . . . . . : vmxnet3 Ethernet Adapter
    Physikalische Adresse . . . . . . : xx-xx-xx-xx-xx-xx
    DHCP aktiviert. . . . . . . . . . : Nein
    Autokonfiguration aktiviert . . . : Ja
    Verbindungslokale IPv6-Adresse  . : xxxx::xxxx:xxxx:xxxx:xxxx%xx(Bevorzugt)
    IPv4-Adresse  . . . . . . . . . . : 192.168.1.235(Bevorzugt)
    Subnetzmaske  . . . . . . . . . . : 255.255.255.0
    Standardgateway . . . . . . . . . : 192.168.1.5
    DNS-Server  . . . . . . . . . . . : 192.168.1.200
    NetBIOS über TCP/IP . . . . . . . : Aktiviert