[Samba] Win10 client can not restore connections in AD environment

[jd at ionica.lv]

> Citēju jd at ionica.lv:
>
>> Hi!
>>
>> I my network I have one computer with Win10 acquired through  
>> updates (W7->W10) which has a problem with restoring the  
>> connections to the Samba file server after being put in sleep mode  
>> or simple log-off. If the computer is restarted, evrth is as  
>> expected.
>>
>> While having problem with re-connection to the Samba file server,  
>> shares on other Windows workstations are accessible.
>>
>> Before upgrade to W10 specific workstation/user had no problems.
>>
>> My domain - Samba AD DC + Samba fileserver as domain member, W7-W10 clients.
>
> it seemed at the begining that disabling of the support of IPV6  
> could help and it helped (once) - the user was able to logon to the  
> workstation after logging off once.
> The error message he receives sounds strange - either DC can not be  
> found or that it is not possible to login twice from the same  
> computer.

P.S., It seems restart of SambaDC helps, but it definitely is the  
right solution. How could i check what goes wrong with login?