[Samba] What does "NT_STATUS_PIPE_BROKEN" in log files mean ?

[Rowland penny]

On 17/06/2019 14:17, Sekigawa Ai via samba wrote:
> Hi All,
>
> One day we upgraded client pc's OS from Windows7 to Windows10,
> Windows10 clients could not access a samba server.
>
> When we re-enabled the SMBv1 protocol on Windows10,  Windows10 clients
> still could not access a samba server.
>
> After adding the following [global] settings,  Windows10 clients could access
> a samba server at last.
> ------------------------------------------------------------
> min protocol = SMB2
> max protocol = SMB2
> ------------------------------------------------------------
>
> But Windows10 clients could not access a samba server via VPN.
> Samba's log files show "smbd_smb2_request_incoming: client read error
> NT_STATUS_PIPE_BROKEN" in many times.
>
> What does "NT_STATUS_PIPE_BROKEN" in log files mean ?

The pipe operation has failed because the other end of the pipe has been 
closed.

I suggest you check the windows logs to see why this is happening.

Rowland