[Samba] Windows clients disconnect periodically

[sambalsauce1]

On Thursday, June 8th, 2023 at 6:36 AM, Rowland Penny via samba wrote:

> How are you running Samba ?
> Is it domain joined or a standalone server ?

> Posting your smb.conf will help.

Samba is domain joined with CentrifyDC-5.9.1 Server Suite. The below is the smb.conf file:

[global]
    security = ADS
    realm = domain.site
    workgroup = domain
    netbios name = samba

    template homedir = /home/%u
    template shell = /bin/bash

    strict allocate = no
    strict locking = no
    posix locking = no
    read raw = Yes
    write raw = Yes
    socket options = TCP_NODELAY IPTOS_LOWDELAY SO_RCVBUF=131072 SO_SNDBUF=131072
    aio read size = 16384
    aio write size = 16384

    auth methods = guest, sam, winbind, ntdomain

    machine password timeout = 0
    passdb backend = tdbsam:/etc/samba/private/passdb.tdb
    kerberos method = secrets and keytab

    server signing = auto

    client signing = auto
    client use spnego principal = true
    client ntlmv2 auth = yes
    client use spnego = yes

    min protocol = SMB3

    winbind enum users = Yes
    winbind enum groups = Yes

    winbind use default domain = Yes
    winbind nested groups = Yes
    winbind rpc only = Yes
    winbind offline logon = false

    idmap cache time = 0
    idmap config * : backend  = tdb
    idmap config * : range = 10000 - 90000    # custom range - nak - 6/27/2014
    idmap config * : base_tdb = 0
    enable core files = false

    syslog = 0
    log file = /var/log/samba/samba.log
#    debug level = 0
    log level = 10
    max log size = 0

    invalid users = root deamon bin sys adm nobody mail uucp

[home]
    comment = Home directories
    path = /home
    read only = No
    public = yes
    browseable = No
    writeable = yes
    create mask = 0664
    directory mask = 0775
    force group = caps
    follow symlinks = no


[apps]
    comment = Linux apps directory
    path = /apps
    read only = no
    guest ok = yes
    public = yes
    browseable = no
    writeable = yes

[share2]
    comment = Linux share2 directory
    path = /share2
    read only = yes
    guest ok = yes
    public = yes
    browseable = no
    writeable = yes


[common]
    comment = Linux common directory
    path = /common
    read only = no
    guest ok = yes
    public = yes
    browseable = no
    writeable = yes
    create mask = 0664
    directory mask = 0775
    force group = caps

[share3]
    comment = Linux share3 directory
    path = /share3
    read only = no
    guest ok = yes
    public = yes
    browseable = no
    writeable = yes
    create mask = 0664
    directory mask = 0775
    force group = caps

[homes]
    comment = Home directories
    read only = No
    browseable = No