[Samba] Windows clients require reboot once a day in order to access mapped drives

[Rowland Penny]

On Mon, 29 Apr 2019 11:44:22 -0700
Mason Schmitt <mason at ftlcomputing.com> wrote:

> >  
> > > It looks like the issue, with W10 clients needing to reboot each
> > > morning to regain access to samba mapped drives, has been worked
> > > around with a single smb.conf change.
> > >
> > > The only change I made (which I did only to help with
> > > troubleshooting via packet capture) was as follows:
> > > OLD - smb encrypt = desired
> > > NEW - smb encrypt = off  
> >
> > Can you try commenting out the line, this should then (by my
> > reading) allow negotiation of encryption.
> >  
> 
> I have another file server, in a different domain, with a nearly
> identical smb.conf to this one, which does not have an entry for "smb
> encrypt". According to the man page, this means that it will have
> "smb encrypt = default".  W10 clients are not able to connect to
> shares, by name, on this file server,  after having been idle
> overnight.  This is the same behaviour that I was seeing in the other
> environment where I recently set "smb encrypt = off".  I think this
> is fairly clear evidence that there is a bug (either with the W10
> client or with the samba file server).  Again, I'm happy to file a
> bug report with samba's bug tracker if you think this is the best
> course of action.

The problem is, if it is a bug, where is it ?

Do you have any earlier versions of Windows ?
If so, does connecting from them work without setting 'smb encrypt' ?

Is there anything in the windows logs when the win 10 computers cannot
connect ?

Rowland