[Telepuzik]

DNS test . . . . . . . . . . . . . : Passed [WARNING] Cannot find a primary authoritative DNS server for the name 'server.school.local.'. [RCODE_SERVER_FAILURE] The name 'server.school.local.' may not be registered in DNS. PASS - All the DNS entries for DC are registered on DNS server '192.168.1.1' and other DCs also have some of the names registered. [WARNING] The DNS entries for this DC are not registered correctly on DNS se rver '62.213.0.12'. Please wait for 30 minutes for DNS server replication. [WARNING] The DNS entries for this DC are not registered correctly on DNS se rver '62.213.2.1'. Please wait for 30 minutes for DNS server replication. »

У Вас что то с настройками DNS не правильно. Покажите вывод dnscmd /info c КД, и скриншот "Зоны прямого просмотра" с DNS сервера покажите.