[Samba] NT_STATUS_NETWORK_SESSION_EXPIRED

[Rowland penny]

On 07/09/2020 09:51, David Mace via samba wrote:
> Hi,
>
> Looking for some help with this issue, been struggling for a few weeks
>
> We run a file server using Samba 4.9.5 (openSUSE Leap 15.2
> 4.9.5+git.343.4bc358522a9-lp151.2.27.1).
>
> Active Directory using Windows Server 2016. The Samba server is a
> member of the domain. Windows 10 desktops and Linux desktops are also
> domain members.
>
> Windows 10 desktops map network drives to the Samba server, no issues
> seen. Everything appears to be working.
>
> Linux desktops map shares using GVFS `gio mount` command and
> authenticate with user's kerberos ticket.
>
> After 10 hours or so, the gio mounts become inaccessible. GNOME
> Nautilus gives error "invalid argument".
>
> GVFS debug log shows
>
> smbc_stat(smb://fileserver.domain.co.uk/share)
> SMBC_getatr: sending qpathinfo
> map_errno_from_nt_status: 32 bit codes: code=c000035c
> smbc errno NT_STATUS_NETWORK_SESSION_EXPIRED -> 22
> smb: send_reply(0x7fb930002840), failed=1 (Invalid argument)
> smb: backend_dbus_handler org.gtk.vfs.Mount:QueryInfo (pid=24714)
> smb: Queued new job 0x7fb924007700 (GVfsJobQueryInfo)
>
>
> These Linux desktops also mount shares from a Windows Server 2012
> server, using gio mount, and do not experience the same issue. Only
> when Linux desktops map to the Samba server do we see this issue
>
> Thanks
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Sounds like the ticket is expiring, can we see your smb.conf

Rowland