>>>>>As for the SMB issues, I've deactivated SMB v2/3 on the (virtual) server, but doing so also prevent the users from accessing the server.
>>>>
>>>>That hints for me to deactivated SMB1 - perhaps double check ?
>>>>You NEED SMB to access remote files, but only SMB1 is ISAM safe...
>>>
>>>If I understand you correctly, I should deactivate SMB2/3 and let only SMB1 activated?
>>>
>>Correct
>
>If I deactivate SMB2/3, the users can't acces at all the server

Then you have a screwed up system: NT, W2K and XP did just that with SMB1 ;-)