Такс, запустил
netdiag /debug. Все хорошо, за исключением двух позиций:
Код:

********** * ********** * ********** * ********** * ********** *
* CHECK NAME gc._msdcs.lenkor.local. on DNS server 192.168.0.2
********** * ********** * ********** * ********** * ********** *
The Record is different on DNS server '192.168.0.2'.
DNS server has more than one entries for this name, usually this means there are multiple DCs for this domain.
Your DC entry is one of them on DNS server '192.168.0.2', no need to re-register.
+------------------------------------------------------+
The record on your DC is:
DNS NAME = gc._msdcs.lenkor.local.
DNS DATA =
A 192.168.0.1
The record on DNS server 192.168.0.2 is:
DNS NAME = gc._msdcs.lenkor.local
DNS DATA =
A 192.168.0.1
A 192.168.0.2
+------------------------------------------------------+
На 192.168.0.1 пишет тоже самое. Как это победить?
И второе:
Код:

NetBT name test. . . . . . . . . . : Passed
No NetBT scope defined
[WARNING] You don't have a single interface with the <00> 'WorkStation Service', <03> 'Messenger Service', <20> 'WINS' names defined.