[Samba] Member server losing smb connection

[L.P.H. van Belle]

Is this on a windows 7 or 10 client or both? 
Are you useing \\FQ.DN\share or \\hostname\share  
Try the FQ.DN, as Microsoft advices.  

And where are the TLS parameters in the below config. 
Did you set this up?


Greetz, 

Louis



> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens Bob of Donelson
> Trophy via samba
> Verzonden: maandag 14 november 2016 15:18
> Aan: SAMBA MailList
> Onderwerp: [Samba] Member server losing smb connection
> Urgentie: Hoog
> 
> I have a member server running Ubuntu 16.10, Samba 4.4.5 that is serving
> files to W10 and W7 clients. Things appear fine and suddenly the server
> share disappears and the W clients "cannot see" the server. The client
> error message is: "The device or resource (member hostname) is nt setup
> to accept is not setup to accept connections on port "The file and print
> sharing (SMB)"."
> 
> Here is the smb.conf file from the member:
> 
> root at dtmbr02:~# cat /etc/samba/smb.conf
> [global]
>     workgroup = DTDOM
>     server string = Samba Server Version %v
>     security = ads
>     realm = DTSHRM.DT
>     use sendfile = true
> 
>     log level = 4
> 
>     domain master = no
>     host msdfs = no
> 
>     idmap_ldb:use rfc2307 = yes
>     idmap config * : backend = tdb
>     idmap config * : range = 50001-80000
>     ## map ids from the domain  the range may not overlap !
>     idmap config DTDOM : backend = ad
>     idmap config DTDOM : schema_mode = rfc2307
>     idmap config DTDOM : range = 10000-40000
>     winbind separator = +
>     winbind nss info = rfc2307
>     winbind trusted domains only = no
>     winbind enum users = yes
>     winbind enum groups = yes
>     winbind use default domain = yes
>     winbind refresh tickets = yes
>     winbind offline logon = yes
> 
>     wins server = 192.168.116.49    192.168.116.50
> 
>     template shell = /bin/bash
>     template homedir = /home/samba/DTDOM/users/%U
> 
>     # user Administrator workaround, without it you are unable to set
> privileges
>     username map = /etc/samba/samba_usermapping
> 
>     # For ACL support on member file server
> 
>     vfs objects = acl_xattr
>     map acl inherit = yes
>     store dos attributes = yes
> 
>     # Share Setting Globally
>     usershare allow guests = no
>         unix extensions = no
>     reset on zero vc = yes
>     veto files = /.bash_logout/.bash_profile/.bash_history/.bashrc/
>     hide unreadable = yes
> 
>     # disable printing completely
>     load printers = no
>     printing = bsd
>     printcap name = /dev/null
>     disable spoolss = yes
> 
>     restrict anonymous = 2
>     log file = /var/log/samba/log.%m
>     max log size = 50
> 
> #============================ Share Definitions
> ============================
> 
> [testshare]
>     comment = Test share
>     path = /samba/testshare
>     read only = no
>     force group = "domain users"
>     directory mask = 0770
>     force directory mode = 0770
>     create mask = 0660
>     force create mode = 0660
>     follow symlinks = yes
>         wide links = yes
> 
> #[Myshare]    ## an example found at askubuntu.com
> #    writeable = yes
> #    path = /shares/office
> #    force directory mode = 770
> #    force create mode = 770
> #    force group = bureau
> #    valid users = @bureau
> #    write list = @bureau
> 
> [data]
>     comment = Shared DT data
>    path = /home/samba/DTDOM/companydata
>    read only = no
>         force group = "domain users"
>     directory mask = 0770
>     force directory mode = 0770
>     create mask = 0660
>     force create mode = 0660
>         follow symlinks = no
>         wide links = no
> 
> [Demo]
>     path = /srv/samba/Demo
>     read only = no
> 
>     follow symlinks = no
>     wide links = no
> 
> [thome]
>     path = /srv/samba/thome/
>         read only = No
> 
>     follow symlinks = no
>         wide links = no
> 
> ##4444444444444444444444444444444444444444
> ##4444444444444444444444444444444444444444
> 
> [home]
>    path = /home/samba/DTDOM/users
>    read only = no
>         follow symlinks = yes
>     wide links = yes
> 
> [profiles]
>    path = /home/samba/DTDOM/profiles
>    read only = no
>    admin users = +"DTDOM\domain admins"
>    profile acls = yes
>    csc policy = disable
> 
>     follow symlinks = no
>         wide links = no
> 
> Everything seemed to be working fine yesterday while I was moving files
> from old server to newer server. Then this morning I am seeing this
> complaint.
> 
> I have tailed log files and, being somewhat unfamiliar, cannot see
> anything significant. As this is a member server am I wrong, it is
> running smbd, nmbd, & winbind and NOT samba as there is no log file for
> samba?
> 
> I have created this smb.conf by copy/paste old server config to new. (I
> thought I was careful.)
> 
> Does anyone see anything that might clash with SMB services? That could
> be creating this SMB problem?
> 
> Have I copy/pasted a error somewhere that I am overlooking?
> 
> --
> _______________________________
> 
> Bob Wooden of Donelson Trophy
> --
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