Upon restoring a domain controller to a new or isolated network in example a DR environment, the domain controller will lose access to its other domain controllers for replication. You might find you cannot start the DNS server and or Active directory services.<\/p>
To force the server to start without checking for others modify the below key and reboot the server<\/p>
\u00a0Add the Following reg Key<\/p>
HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Services\\NTDS\\Parameters
Value name:\u00a0 Repl Perform Initial Synchronizations
Value type:\u00a0 REG_DWORD
Value data: 0<\/p><\/blockquote>You should then go into Active Directory Sites and services and remove the old Domain Controllers and Also go into the DNS server and remove any references in the Nameserver tabs for the Zones<\/p>
_msdcs.domain.local<\/p>
domain.local<\/p>","protected":false},"excerpt":{"rendered":"
Upon restoring a domain controller to a new or isolated network in example a DR environment, the domain controller will lose access to its other domain controllers […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[2633,1377,2755,2754,2278,548,2753,1106],"class_list":["post-3771","post","type-post","status-publish","format-standard","hentry","category-research","tag-ad","tag-dns","tag-dns-server","tag-domain-controller-not-starting","tag-dr","tag-registry","tag-remove-domain-controller","tag-restore"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t