Не имя, не hosts не менялся. Т.е. получилось как - вечером работал (заводил в домен очередного клиента), а утром уже нет.

[root@local]# net rpc info -d 5
INFO: Current debug levels:
  all: 5
  tdb: 5
  printdrivers: 5
  lanman: 5
  smb: 5
  rpc_parse: 5
  rpc_srv: 5
  rpc_cli: 5
  passdb: 5
  sam: 5
  auth: 5
  winbind: 5
  vfs: 5
  idmap: 5
  quota: 5
  acls: 5
  locking: 5
  msdfs: 5
  dmapi: 5
  registry: 5
lp_load_ex: refreshing parameters
Initialising global parameters
rlimit_max: increasing rlimit_max (1024) to minimum Windows limit (16384)
INFO: Current debug levels:
  all: 5
  tdb: 5
  printdrivers: 5
  lanman: 5
  smb: 5
  rpc_parse: 5
  rpc_srv: 5
  rpc_cli: 5
  passdb: 5
  sam: 5
  auth: 5
  winbind: 5
  vfs: 5
  idmap: 5
  quota: 5
  acls: 5
  locking: 5
  msdfs: 5
  dmapi: 5
  registry: 5
params.c:pm_process() - Processing configuration file "/etc/samba/smb.conf"
Processing section "[global]"
doing parameter workgroup = local1.domain.ru
doing parameter netbios name = srv_domain
handle_netbios_name: set global_myname to: SRV_DOMAIN
doing parameter server string = SMB
doing parameter security = user
doing parameter log level = 0 vfs:2
doing parameter log file = /var/log/samba/%m.log
doing parameter max log size = 0
doing parameter syslog = 0
doing parameter dns proxy = yes
doing parameter unix charset = utf8
Substituting charset 'UTF-8' for LOCALE
doing parameter display charset = utf8
doing parameter dos charset = cp866
doing parameter socket options = TCP_NODELAY IPTOS_LOWDELAY SO_KEEPALIVE SO_RCVBUF=8192 SO_SNDBUF=8192
doing parameter wide links = yes
doing parameter read raw = no
doing parameter logon script = %u.bat
doing parameter logon path = \\%N\profiles\%U
doing parameter logon drive = U:
doing parameter domain logons = Yes
doing parameter os level = 255
doing parameter preferred master = Yes
doing parameter domain master = Yes
doing parameter admin users = smbadmin
doing parameter wide links = No
doing parameter interfaces = lo, eth0
doing parameter hosts allow = 192.168.89.
doing parameter wins support = yes
doing parameter passdb backend = smbpasswd
doing parameter smb passwd file = /etc/samba/smbpasswd
pm_process() returned Yes
Netbios name list:-
my_netbios_names[0]="SRV_DOMAIN"
added interface lo ip=127.0.0.1 bcast=127.255.255.255 netmask=255.0.0.0
added interface eth0 ip=192.168.89.25 bcast=192.168.89.255 netmask=255.255.255.0
Registered MSG_REQ_POOL_USAGE
Registered MSG_REQ_DMALLOC_MARK and LOG_CHANGED
Opening cache file at /var/lib/samba/gencache.tdb
Opening cache file at /var/lib/samba/gencache_notrans.tdb
name LOCAL1.DOMAIN.RU#1B found.
namecache_status_fetch: key NBT/LOCAL1.DOMAIN.RU#1B.20.192.168.89.25 -> SRV_DOMAIN
Enter root's password:
Connecting to host=SRV_DOMAIN
Connecting to 192.168.89.25 at port 445
Socket options:
        SO_KEEPALIVE = 1
        SO_REUSEADDR = 0
        SO_BROADCAST = 0
        TCP_NODELAY = 1
        TCP_KEEPCNT = 9
        TCP_KEEPIDLE = 7200
        TCP_KEEPINTVL = 75
        IPTOS_LOWDELAY = 16
        IPTOS_THROUGHPUT = 16
        SO_SNDBUF = 16384
        SO_RCVBUF = 16384
        SO_SNDLOWAT = 1
        SO_RCVLOWAT = 1
        SO_SNDTIMEO = 0
        SO_RCVTIMEO = 0
        TCP_QUICKACK = 1
cli_negprot: SMB signing is mandatory and the server doesn't support it.
failed negprot: NT_STATUS_ACCESS_DENIED
Could not connect to server SRV_DOMAIN
Connection failed: NT_STATUS_ACCESS_DENIED
failed to make ipc connection: NT_STATUS_ACCESS_DENIED
return code = -1