В команде netdiag есть проблемка с тестом DNS :
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DNS test . . . . . . . . . . . . . : Failed
[WARNING] Cannot find a primary authoritative DNS server for the name
'as.NUC.'. [RCODE_SERVER_FAILURE]
The name 'as.NUC.' may not be registered in DNS.
[WARNING] Cannot find a primary authoritative DNS server for the name
'as.NUC.'. [RCODE_SERVER_FAILURE]
The name 'as.NUC.' may not be registered in DNS.
[WARNING] The DNS entries for this DC are not registered correctly on DNS server '192.168.1.1'. Please wait for 30 minutes for DNS server replication.
[WARNING] The DNS entries for this DC are not registered correctly on DNS server '80.95.32.19'. Please wait for 30 minutes for DNS server replication.
[WARNING] The DNS entries for this DC are not registered correctly on DNS server '80.95.32.20'. Please wait for 30 minutes for DNS server replication.
[FATAL] No DNS servers have the DNS records for this DC registered.
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DNS Server has updated its own host (A) records. In order to insure that its DS-integrated peer DNS servers are able to replicate with this server, an attempt
was made to update them with the new records through dynamic update. An error was encountered during this update, the record data is the error code.
If this DNS server does not have any DS-integrated peers, then this error
should be ignored.
If this DNS server's ActiveDirectory replication partners do not have the correct IP address(es) for this server, they will be unable to replicate with it.
To insure proper replication:
1) Find this server's ActiveDirectory replication partners that run the DNS server.
2 ) Open DnsManager and connect in turn to each of the replication partners.
3 ) On each server, check the host (A record) registration for THIS server.
4 ) Delete any A records that do NOT correspond to IP addresses of this server.
5 ) If there are no A records for this server, add at least one A record corresponding to an address on this server, that the replication partner can contact.
(In other words, if there multiple IP addresses for this DNS server, add at least one that is on the same network as the ActiveDirectory DNS server you are updating.)
6 ) Note, that is not necessary to update EVERY replication partner. It is only necessary that the records are fixed up on enough replication partners
so that every server that replicates with this server will receive (through replication) the new data.
В лесу AD только 1 контроллер домена и на нем же стоит DNS сервер. При установке AD была выбрана опция по автоматической настройке DNS сервера, но записи SRV в зоне не прописались.
Сделал записи с помощью файла netlogon.dns. Появилось сообщение netdiag о нормальной регистрации записей DC.
А через некоторое время... сообщение:
[FATAL] No DNS servers have the DNS records for this DC registered .
Как лечить? 
